69144620

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{4211}}^1$

素因数の和:5041

約数の個数: 24

約数和(自身を含む): 145415088

約数和(自身を除く): 76270468

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 4211, 8210, 8422, 16420, 16844, 21055, 42110, 84220, 3457231, 6914462, 13828924, 17286155, 34572310, 69144620]

約数ペア:

[(1, 69144620), (2, 34572310), (4, 17286155), (5, 13828924), (10, 6914462), (20, 3457231), (821, 84220), (1642, 42110), (3284, 21055), (4105, 16844), (4211, 16420), (8210, 8422)]