68901640

素因数分解:

$2^3\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{1471}}^1$

素因数の和:2653

約数の個数: 32

約数和(自身を含む): 155266560

約数和(自身を除く): 86364920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1171, 1471, 2342, 2942, 4684, 5855, 5884, 7355, 9368, 11710, 11768, 14710, 23420, 29420, 46840, 58840, 1722541, 3445082, 6890164, 8612705, 13780328, 17225410, 34450820, 68901640]

約数ペア:

[(1, 68901640), (2, 34450820), (4, 17225410), (5, 13780328), (8, 8612705), (10, 6890164), (20, 3445082), (40, 1722541), (1171, 58840), (1471, 46840), (2342, 29420), (2942, 23420), (4684, 14710), (5855, 11768), (5884, 11710), (7355, 9368)]