61312280

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1867}}^1$

素因数の和:2699

約数の個数: 32

約数和(自身を含む): 138194640

約数和(自身を除く): 76882360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 1867, 3284, 3734, 4105, 6568, 7468, 8210, 9335, 14936, 16420, 18670, 32840, 37340, 74680, 1532807, 3065614, 6131228, 7664035, 12262456, 15328070, 30656140, 61312280]

約数ペア:

[(1, 61312280), (2, 30656140), (4, 15328070), (5, 12262456), (8, 7664035), (10, 6131228), (20, 3065614), (40, 1532807), (821, 74680), (1642, 37340), (1867, 32840), (3284, 18670), (3734, 16420), (4105, 14936), (6568, 9335), (7468, 8210)]