31361875

素因数分解:

$5^4\times {\mathrm{19}}^2\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 30

約数和(自身を含む): 41658540

約数和(自身を除く): 10296665

約数列:

[1, 5, 19, 25, 95, 125, 139, 361, 475, 625, 695, 1805, 2375, 2641, 3475, 9025, 11875, 13205, 17375, 45125, 50179, 66025, 86875, 225625, 250895, 330125, 1254475, 1650625, 6272375, 31361875]

約数ペア:

[(1, 31361875), (5, 6272375), (19, 1650625), (25, 1254475), (95, 330125), (125, 250895), (139, 225625), (361, 86875), (475, 66025), (625, 50179), (695, 45125), (1805, 17375), (2375, 13205), (2641, 11875), (3475, 9025)]