289290625

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{7121}}^1$

素因数の和:7159

約数の個数: 24

約数和(自身を含む): 389459448

約数和(自身を除く): 100168823

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 3125, 7121, 8125, 35605, 40625, 92573, 178025, 462865, 890125, 2314325, 4450625, 11571625, 22253125, 57858125, 289290625]

約数ペア:

[(1, 289290625), (5, 57858125), (13, 22253125), (25, 11571625), (65, 4450625), (125, 2314325), (325, 890125), (625, 462865), (1625, 178025), (3125, 92573), (7121, 40625), (8125, 35605)]