55565575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{170971}}^1$

素因数の和:170994

約数の個数: 12

約数和(自身を含む): 74201848

約数和(自身を除く): 18636273

約数列:

[1, 5, 13, 25, 65, 325, 170971, 854855, 2222623, 4274275, 11113115, 55565575]

約数ペア:

[(1, 55565575), (5, 11113115), (13, 4274275), (25, 2222623), (65, 854855), (325, 170971)]