1020625

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:114

約数の個数: 20

約数和(自身を含む): 1349568

約数和(自身を除く): 328943

約数列:

[1, 5, 23, 25, 71, 115, 125, 355, 575, 625, 1633, 1775, 2875, 8165, 8875, 14375, 40825, 44375, 204125, 1020625]

約数ペア:

[(1, 1020625), (5, 204125), (23, 44375), (25, 40825), (71, 14375), (115, 8875), (125, 8165), (355, 2875), (575, 1775), (625, 1633)]