12646840

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{751}}^1$

素因数の和:1183

約数の個数: 32

約数和(自身を含む): 28560960

約数和(自身を除く): 15914120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 751, 842, 1502, 1684, 2105, 3004, 3368, 3755, 4210, 6008, 7510, 8420, 15020, 16840, 30040, 316171, 632342, 1264684, 1580855, 2529368, 3161710, 6323420, 12646840]

約数ペア:

[(1, 12646840), (2, 6323420), (4, 3161710), (5, 2529368), (8, 1580855), (10, 1264684), (20, 632342), (40, 316171), (421, 30040), (751, 16840), (842, 15020), (1502, 8420), (1684, 7510), (2105, 6008), (3004, 4210), (3368, 3755)]