20650698625

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{1601}}^1\times {\mathrm{5431}}^1$

素因数の和:7066

約数の個数: 32

約数和(自身を含む): 27150439680

約数和(自身を除く): 6499741055

約数列:

[1, 5, 19, 25, 95, 125, 475, 1601, 2375, 5431, 8005, 27155, 30419, 40025, 103189, 135775, 152095, 200125, 515945, 678875, 760475, 2579725, 3802375, 8695031, 12898625, 43475155, 165205589, 217375775, 826027945, 1086878875, 4130139725, 20650698625]

約数ペア:

[(1, 20650698625), (5, 4130139725), (19, 1086878875), (25, 826027945), (95, 217375775), (125, 165205589), (475, 43475155), (1601, 12898625), (2375, 8695031), (5431, 3802375), (8005, 2579725), (27155, 760475), (30419, 678875), (40025, 515945), (103189, 200125), (135775, 152095)]