56681840

素因数分解:

$2^4\times 5^1\times {\mathrm{821}}^1\times {\mathrm{863}}^1$

素因数の和:1697

約数の個数: 40

約数和(自身を含む): 132098688

約数和(自身を除く): 75416848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 821, 863, 1642, 1726, 3284, 3452, 4105, 4315, 6568, 6904, 8210, 8630, 13136, 13808, 16420, 17260, 32840, 34520, 65680, 69040, 708523, 1417046, 2834092, 3542615, 5668184, 7085230, 11336368, 14170460, 28340920, 56681840]

約数ペア:

[(1, 56681840), (2, 28340920), (4, 14170460), (5, 11336368), (8, 7085230), (10, 5668184), (16, 3542615), (20, 2834092), (40, 1417046), (80, 708523), (821, 69040), (863, 65680), (1642, 34520), (1726, 32840), (3284, 17260), (3452, 16420), (4105, 13808), (4315, 13136), (6568, 8630), (6904, 8210)]