15796840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4999}}^1$

素因数の和:5089

約数の個数: 32

約数和(自身を含む): 36000000

約数和(自身を除く): 20203160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 4999, 9998, 19996, 24995, 39992, 49990, 99980, 199960, 394921, 789842, 1579684, 1974605, 3159368, 3949210, 7898420, 15796840]

約数ペア:

[(1, 15796840), (2, 7898420), (4, 3949210), (5, 3159368), (8, 1974605), (10, 1579684), (20, 789842), (40, 394921), (79, 199960), (158, 99980), (316, 49990), (395, 39992), (632, 24995), (790, 19996), (1580, 9998), (3160, 4999)]