671036140

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{40867}}^1$

素因数の和:41697

約数の個数: 24

約数和(自身を含む): 1410926832

約数和(自身を除く): 739890692

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 8210, 16420, 40867, 81734, 163468, 204335, 408670, 817340, 33551807, 67103614, 134207228, 167759035, 335518070, 671036140]

約数ペア:

[(1, 671036140), (2, 335518070), (4, 167759035), (5, 134207228), (10, 67103614), (20, 33551807), (821, 817340), (1642, 408670), (3284, 204335), (4105, 163468), (8210, 81734), (16420, 40867)]