10001875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{1231}}^1$

素因数の和:1264

約数の個数: 20

約数和(自身を含む): 13470688

約数和(自身を除く): 3468813

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1231, 1625, 6155, 8125, 16003, 30775, 80015, 153875, 400075, 769375, 2000375, 10001875]

約数ペア:

[(1, 10001875), (5, 2000375), (13, 769375), (25, 400075), (65, 153875), (125, 80015), (325, 30775), (625, 16003), (1231, 8125), (1625, 6155)]