660850040

素因数分解:

$2^3\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{13421}}^1$

素因数の和:14663

約数の個数: 32

約数和(自身を含む): 1488231360

約数和(自身を除く): 827381320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1231, 2462, 4924, 6155, 9848, 12310, 13421, 24620, 26842, 49240, 53684, 67105, 107368, 134210, 268420, 536840, 16521251, 33042502, 66085004, 82606255, 132170008, 165212510, 330425020, 660850040]

約数ペア:

[(1, 660850040), (2, 330425020), (4, 165212510), (5, 132170008), (8, 82606255), (10, 66085004), (20, 33042502), (40, 16521251), (1231, 536840), (2462, 268420), (4924, 134210), (6155, 107368), (9848, 67105), (12310, 53684), (13421, 49240), (24620, 26842)]