30656140

素因数分解:

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

素因数の和:2697

約数の個数: 24

約数和(自身を含む): 64490832

約数和(自身を除く): 33834692

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 1867, 3284, 3734, 4105, 7468, 8210, 9335, 16420, 18670, 37340, 1532807, 3065614, 6131228, 7664035, 15328070, 30656140]

約数ペア:

[(1, 30656140), (2, 15328070), (4, 7664035), (5, 6131228), (10, 3065614), (20, 1532807), (821, 37340), (1642, 18670), (1867, 16420), (3284, 9335), (3734, 8210), (4105, 7468)]