12225625

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:682

約数の個数: 20

約数和(自身を含む): 15794944

約数和(自身を除く): 3569319

約数列:

[1, 5, 25, 31, 125, 155, 625, 631, 775, 3155, 3875, 15775, 19375, 19561, 78875, 97805, 394375, 489025, 2445125, 12225625]

約数ペア:

[(1, 12225625), (5, 2445125), (25, 489025), (31, 394375), (125, 97805), (155, 78875), (625, 19561), (631, 19375), (775, 15775), (3155, 3875)]