31067360

素因数分解:

$2^5\times 5^1\times {\mathrm{281}}^1\times {\mathrm{691}}^1$

素因数の和:987

約数の個数: 48

約数和(自身を含む): 73764432

約数和(自身を除く): 42697072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 281, 562, 691, 1124, 1382, 1405, 2248, 2764, 2810, 3455, 4496, 5528, 5620, 6910, 8992, 11056, 11240, 13820, 22112, 22480, 27640, 44960, 55280, 110560, 194171, 388342, 776684, 970855, 1553368, 1941710, 3106736, 3883420, 6213472, 7766840, 15533680, 31067360]

約数ペア:

[(1, 31067360), (2, 15533680), (4, 7766840), (5, 6213472), (8, 3883420), (10, 3106736), (16, 1941710), (20, 1553368), (32, 970855), (40, 776684), (80, 388342), (160, 194171), (281, 110560), (562, 55280), (691, 44960), (1124, 27640), (1382, 22480), (1405, 22112), (2248, 13820), (2764, 11240), (2810, 11056), (3455, 8992), (4496, 6910), (5528, 5620)]