79120400

素因数分解:

$2^4\times 5^2\times {\mathrm{223}}^1\times {\mathrm{887}}^1$

素因数の和:1128

約数の個数: 60

約数和(自身を含む): 191154432

約数和(自身を除く): 112034032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 223, 400, 446, 887, 892, 1115, 1774, 1784, 2230, 3548, 3568, 4435, 4460, 5575, 7096, 8870, 8920, 11150, 14192, 17740, 17840, 22175, 22300, 35480, 44350, 44600, 70960, 88700, 89200, 177400, 197801, 354800, 395602, 791204, 989005, 1582408, 1978010, 3164816, 3956020, 4945025, 7912040, 9890050, 15824080, 19780100, 39560200, 79120400]

約数ペア:

[(1, 79120400), (2, 39560200), (4, 19780100), (5, 15824080), (8, 9890050), (10, 7912040), (16, 4945025), (20, 3956020), (25, 3164816), (40, 1978010), (50, 1582408), (80, 989005), (100, 791204), (200, 395602), (223, 354800), (400, 197801), (446, 177400), (887, 89200), (892, 88700), (1115, 70960), (1774, 44600), (1784, 44350), (2230, 35480), (3548, 22300), (3568, 22175), (4435, 17840), (4460, 17740), (5575, 14192), (7096, 11150), (8870, 8920)]