1999648925

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{36809}}^1$

素因数の和:36913

約数の個数: 24

約数和(自身を含む): 2588037480

約数和(自身を除く): 588388555

約数列:

[1, 5, 25, 41, 53, 205, 265, 1025, 1325, 2173, 10865, 36809, 54325, 184045, 920225, 1509169, 1950877, 7545845, 9754385, 37729225, 48771925, 79985957, 399929785, 1999648925]

約数ペア:

[(1, 1999648925), (5, 399929785), (25, 79985957), (41, 48771925), (53, 37729225), (205, 9754385), (265, 7545845), (1025, 1950877), (1325, 1509169), (2173, 920225), (10865, 184045), (36809, 54325)]