2000644005025

素因数分解:

$5^2\times {\mathrm{197}}^1\times {\mathrm{797}}^1\times {\mathrm{509689}}^1$

素因数の和:510693

約数の個数: 24

約数和(自身を含む): 2496524821560

約数和(自身を除く): 495880816535

約数列:

[1, 5, 25, 197, 797, 985, 3985, 4925, 19925, 157009, 509689, 785045, 2548445, 3925225, 12742225, 100408733, 406222133, 502043665, 2031110665, 2510218325, 10155553325, 80025760201, 400128801005, 2000644005025]

約数ペア:

[(1, 2000644005025), (5, 400128801005), (25, 80025760201), (197, 10155553325), (797, 2510218325), (985, 2031110665), (3985, 502043665), (4925, 406222133), (19925, 100408733), (157009, 12742225), (509689, 3925225), (785045, 2548445)]