21745235200

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8431}}^1$

素因数の和:8501

約数の個数: 216

約数和(自身を含む): 59839947776

約数和(自身を除く): 38094712576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 128, 130, 155, 160, 200, 208, 248, 256, 260, 310, 320, 325, 400, 403, 416, 496, 520, 620, 640, 650, 775, 800, 806, 832, 992, 1040, 1240, 1280, 1300, 1550, 1600, 1612, 1664, 1984, 2015, 2080, 2480, 2600, 3100, 3200, 3224, 3328, 3968, 4030, 4160, 4960, 5200, 6200, 6400, 6448, 7936, 8060, 8320, 8431, 9920, 10075, 10400, 12400, 12896, 16120, 16640, 16862, 19840, 20150, 20800, 24800, 25792, 32240, 33724, 39680, 40300, 41600, 42155, 49600, 51584, 64480, 67448, 80600, 83200, 84310, 99200, 103168, 109603, 128960, 134896, 161200, 168620, 198400, 210775, 219206, 257920, 261361, 269792, 322400, 337240, 421550, 438412, 515840, 522722, 539584, 548015, 644800, 674480, 843100, 876824, 1045444, 1079168, 1096030, 1289600, 1306805, 1348960, 1686200, 1753648, 2090888, 2158336, 2192060, 2579200, 2613610, 2697920, 2740075, 3372400, 3397693, 3507296, 4181776, 4384120, 5227220, 5395840, 5480150, 6534025, 6744800, 6795386, 7014592, 8363552, 8768240, 10454440, 10791680, 10960300, 13068050, 13489600, 13590772, 14029184, 16727104, 16988465, 17536480, 20908880, 21920600, 26136100, 26979200, 27181544, 28058368, 33454208, 33976930, 35072960, 41817760, 43841200, 52272200, 53958400, 54363088, 66908416, 67953860, 70145920, 83635520, 84942325, 87682400, 104544400, 108726176, 135907720, 140291840, 167271040, 169884650, 175364800, 209088800, 217452352, 271815440, 334542080, 339769300, 350729600, 418177600, 434904704, 543630880, 679538600, 701459200, 836355200, 869809408, 1087261760, 1359077200, 1672710400, 2174523520, 2718154400, 4349047040, 5436308800, 10872617600, 21745235200]

約数ペア:

[(1, 21745235200), (2, 10872617600), (4, 5436308800), (5, 4349047040), (8, 2718154400), (10, 2174523520), (13, 1672710400), (16, 1359077200), (20, 1087261760), (25, 869809408), (26, 836355200), (31, 701459200), (32, 679538600), (40, 543630880), (50, 434904704), (52, 418177600), (62, 350729600), (64, 339769300), (65, 334542080), (80, 271815440), (100, 217452352), (104, 209088800), (124, 175364800), (128, 169884650), (130, 167271040), (155, 140291840), (160, 135907720), (200, 108726176), (208, 104544400), (248, 87682400), (256, 84942325), (260, 83635520), (310, 70145920), (320, 67953860), (325, 66908416), (400, 54363088), (403, 53958400), (416, 52272200), (496, 43841200), (520, 41817760), (620, 35072960), (640, 33976930), (650, 33454208), (775, 28058368), (800, 27181544), (806, 26979200), (832, 26136100), (992, 21920600), (1040, 20908880), (1240, 17536480), (1280, 16988465), (1300, 16727104), (1550, 14029184), (1600, 13590772), (1612, 13489600), (1664, 13068050), (1984, 10960300), (2015, 10791680), (2080, 10454440), (2480, 8768240), (2600, 8363552), (3100, 7014592), (3200, 6795386), (3224, 6744800), (3328, 6534025), (3968, 5480150), (4030, 5395840), (4160, 5227220), (4960, 4384120), (5200, 4181776), (6200, 3507296), (6400, 3397693), (6448, 3372400), (7936, 2740075), (8060, 2697920), (8320, 2613610), (8431, 2579200), (9920, 2192060), (10075, 2158336), (10400, 2090888), (12400, 1753648), (12896, 1686200), (16120, 1348960), (16640, 1306805), (16862, 1289600), (19840, 1096030), (20150, 1079168), (20800, 1045444), (24800, 876824), (25792, 843100), (32240, 674480), (33724, 644800), (39680, 548015), (40300, 539584), (41600, 522722), (42155, 515840), (49600, 438412), (51584, 421550), (64480, 337240), (67448, 322400), (80600, 269792), (83200, 261361), (84310, 257920), (99200, 219206), (103168, 210775), (109603, 198400), (128960, 168620), (134896, 161200)]