8100625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1030

約数の個数: 20

約数和(自身を含む): 10912132

約数和(自身を除く): 2811507

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 997, 1625, 4985, 8125, 12961, 24925, 64805, 124625, 324025, 623125, 1620125, 8100625]

約数ペア:

[(1, 8100625), (5, 1620125), (13, 623125), (25, 324025), (65, 124625), (125, 64805), (325, 24925), (625, 12961), (997, 8125), (1625, 4985)]