40751360

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 109885440

約数和(自身を除く): 69134080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 79, 80, 104, 124, 128, 130, 155, 158, 160, 208, 248, 256, 260, 310, 316, 320, 395, 403, 416, 496, 520, 620, 632, 640, 790, 806, 832, 992, 1027, 1040, 1240, 1264, 1280, 1580, 1612, 1664, 1984, 2015, 2054, 2080, 2449, 2480, 2528, 3160, 3224, 3328, 3968, 4030, 4108, 4160, 4898, 4960, 5056, 5135, 6320, 6448, 7936, 8060, 8216, 8320, 9796, 9920, 10112, 10270, 12245, 12640, 12896, 16120, 16432, 16640, 19592, 19840, 20224, 20540, 24490, 25280, 25792, 31837, 32240, 32864, 39184, 39680, 41080, 48980, 50560, 51584, 63674, 64480, 65728, 78368, 82160, 97960, 101120, 103168, 127348, 128960, 131456, 156736, 159185, 164320, 195920, 254696, 257920, 262912, 313472, 318370, 328640, 391840, 509392, 515840, 626944, 636740, 657280, 783680, 1018784, 1273480, 1314560, 1567360, 2037568, 2546960, 3134720, 4075136, 5093920, 8150272, 10187840, 20375680, 40751360]

約数ペア:

[(1, 40751360), (2, 20375680), (4, 10187840), (5, 8150272), (8, 5093920), (10, 4075136), (13, 3134720), (16, 2546960), (20, 2037568), (26, 1567360), (31, 1314560), (32, 1273480), (40, 1018784), (52, 783680), (62, 657280), (64, 636740), (65, 626944), (79, 515840), (80, 509392), (104, 391840), (124, 328640), (128, 318370), (130, 313472), (155, 262912), (158, 257920), (160, 254696), (208, 195920), (248, 164320), (256, 159185), (260, 156736), (310, 131456), (316, 128960), (320, 127348), (395, 103168), (403, 101120), (416, 97960), (496, 82160), (520, 78368), (620, 65728), (632, 64480), (640, 63674), (790, 51584), (806, 50560), (832, 48980), (992, 41080), (1027, 39680), (1040, 39184), (1240, 32864), (1264, 32240), (1280, 31837), (1580, 25792), (1612, 25280), (1664, 24490), (1984, 20540), (2015, 20224), (2054, 19840), (2080, 19592), (2449, 16640), (2480, 16432), (2528, 16120), (3160, 12896), (3224, 12640), (3328, 12245), (3968, 10270), (4030, 10112), (4108, 9920), (4160, 9796), (4898, 8320), (4960, 8216), (5056, 8060), (5135, 7936), (6320, 6448)]