54750280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 133560000

約数和(自身を除く): 78809720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 211, 260, 422, 499, 520, 844, 998, 1055, 1688, 1996, 2110, 2495, 2743, 3992, 4220, 4990, 5486, 6487, 8440, 9980, 10972, 12974, 13715, 19960, 21944, 25948, 27430, 32435, 51896, 54860, 64870, 105289, 109720, 129740, 210578, 259480, 421156, 526445, 842312, 1052890, 1368757, 2105780, 2737514, 4211560, 5475028, 6843785, 10950056, 13687570, 27375140, 54750280]

約数ペア:

[(1, 54750280), (2, 27375140), (4, 13687570), (5, 10950056), (8, 6843785), (10, 5475028), (13, 4211560), (20, 2737514), (26, 2105780), (40, 1368757), (52, 1052890), (65, 842312), (104, 526445), (130, 421156), (211, 259480), (260, 210578), (422, 129740), (499, 109720), (520, 105289), (844, 64870), (998, 54860), (1055, 51896), (1688, 32435), (1996, 27430), (2110, 25948), (2495, 21944), (2743, 19960), (3992, 13715), (4220, 12974), (4990, 10972), (5486, 9980), (6487, 8440)]