66707750

素因数分解:

$2^1\times 5^3\times {\mathrm{163}}^1\times {\mathrm{1637}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 125719776

約数和(自身を除く): 59012026

約数列:

[1, 2, 5, 10, 25, 50, 125, 163, 250, 326, 815, 1630, 1637, 3274, 4075, 8150, 8185, 16370, 20375, 40750, 40925, 81850, 204625, 266831, 409250, 533662, 1334155, 2668310, 6670775, 13341550, 33353875, 66707750]

約数ペア:

[(1, 66707750), (2, 33353875), (5, 13341550), (10, 6670775), (25, 2668310), (50, 1334155), (125, 533662), (163, 409250), (250, 266831), (326, 204625), (815, 81850), (1630, 40925), (1637, 40750), (3274, 20375), (4075, 16370), (8150, 8185)]