5158400

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 120

約数和(自身を含む): 14207424

約数和(自身を除く): 9049024

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, 512, 520, 620, 640, 650, 775, 800, 806, 832, 992, 1040, 1240, 1280, 1300, 1550, 1600, 1612, 1664, 1984, 2015, 2080, 2480, 2560, 2600, 3100, 3200, 3224, 3328, 3968, 4030, 4160, 4960, 5200, 6200, 6400, 6448, 6656, 7936, 8060, 8320, 9920, 10075, 10400, 12400, 12800, 12896, 15872, 16120, 16640, 19840, 20150, 20800, 24800, 25792, 32240, 33280, 39680, 40300, 41600, 49600, 51584, 64480, 79360, 80600, 83200, 99200, 103168, 128960, 161200, 166400, 198400, 206336, 257920, 322400, 396800, 515840, 644800, 1031680, 1289600, 2579200, 5158400]

約数ペア:

[(1, 5158400), (2, 2579200), (4, 1289600), (5, 1031680), (8, 644800), (10, 515840), (13, 396800), (16, 322400), (20, 257920), (25, 206336), (26, 198400), (31, 166400), (32, 161200), (40, 128960), (50, 103168), (52, 99200), (62, 83200), (64, 80600), (65, 79360), (80, 64480), (100, 51584), (104, 49600), (124, 41600), (128, 40300), (130, 39680), (155, 33280), (160, 32240), (200, 25792), (208, 24800), (248, 20800), (256, 20150), (260, 19840), (310, 16640), (320, 16120), (325, 15872), (400, 12896), (403, 12800), (416, 12400), (496, 10400), (512, 10075), (520, 9920), (620, 8320), (640, 8060), (650, 7936), (775, 6656), (800, 6448), (806, 6400), (832, 6200), (992, 5200), (1040, 4960), (1240, 4160), (1280, 4030), (1300, 3968), (1550, 3328), (1600, 3224), (1612, 3200), (1664, 3100), (1984, 2600), (2015, 2560), (2080, 2480)]