67977640

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{6271}}^1$

素因数の和:6553

約数の個数: 32

約数和(自身を含む): 153538560

約数和(自身を除く): 85560920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 6271, 10840, 12542, 25084, 31355, 50168, 62710, 125420, 250840, 1699441, 3398882, 6797764, 8497205, 13595528, 16994410, 33988820, 67977640]

約数ペア:

[(1, 67977640), (2, 33988820), (4, 16994410), (5, 13595528), (8, 8497205), (10, 6797764), (20, 3398882), (40, 1699441), (271, 250840), (542, 125420), (1084, 62710), (1355, 50168), (2168, 31355), (2710, 25084), (5420, 12542), (6271, 10840)]