68625625

素因数分解:

$5^4\times {\mathrm{19}}^1\times {\mathrm{5779}}^1$

素因数の和:5818

約数の個数: 20

約数和(自身を含む): 90283600

約数和(自身を除く): 21657975

約数列:

[1, 5, 19, 25, 95, 125, 475, 625, 2375, 5779, 11875, 28895, 109801, 144475, 549005, 722375, 2745025, 3611875, 13725125, 68625625]

約数ペア:

[(1, 68625625), (5, 13725125), (19, 3611875), (25, 2745025), (95, 722375), (125, 549005), (475, 144475), (625, 109801), (2375, 28895), (5779, 11875)]