90764375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{11171}}^1$

素因数の和:11204

約数の個数: 20

約数和(自身を含む): 122154648

約数和(自身を除く): 31390273

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 8125, 11171, 55855, 145223, 279275, 726115, 1396375, 3630575, 6981875, 18152875, 90764375]

約数ペア:

[(1, 90764375), (5, 18152875), (13, 6981875), (25, 3630575), (65, 1396375), (125, 726115), (325, 279275), (625, 145223), (1625, 55855), (8125, 11171)]