15986720

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2437}}^1$

素因数の和:2493

約数の個数: 48

約数和(自身を含む): 38705688

約数和(自身を除く): 22718968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 2437, 3280, 4874, 6560, 9748, 12185, 19496, 24370, 38992, 48740, 77984, 97480, 99917, 194960, 199834, 389920, 399668, 499585, 799336, 999170, 1598672, 1998340, 3197344, 3996680, 7993360, 15986720]

約数ペア:

[(1, 15986720), (2, 7993360), (4, 3996680), (5, 3197344), (8, 1998340), (10, 1598672), (16, 999170), (20, 799336), (32, 499585), (40, 399668), (41, 389920), (80, 199834), (82, 194960), (160, 99917), (164, 97480), (205, 77984), (328, 48740), (410, 38992), (656, 24370), (820, 19496), (1312, 12185), (1640, 9748), (2437, 6560), (3280, 4874)]