77206840

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2351}}^1$

素因数の和:3183

約数の個数: 32

約数和(自身を含む): 174000960

約数和(自身を除く): 96794120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 2351, 3284, 4105, 4702, 6568, 8210, 9404, 11755, 16420, 18808, 23510, 32840, 47020, 94040, 1930171, 3860342, 7720684, 9650855, 15441368, 19301710, 38603420, 77206840]

約数ペア:

[(1, 77206840), (2, 38603420), (4, 19301710), (5, 15441368), (8, 9650855), (10, 7720684), (20, 3860342), (40, 1930171), (821, 94040), (1642, 47020), (2351, 32840), (3284, 23510), (4105, 18808), (4702, 16420), (6568, 11755), (8210, 9404)]