40885325

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{9677}}^1$

素因数の和:9713

約数の個数: 18

約数和(自身を含む): 54903294

約数和(自身を除く): 14017969

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 9677, 48385, 125801, 241925, 629005, 1635413, 3145025, 8177065, 40885325]

約数ペア:

[(1, 40885325), (5, 8177065), (13, 3145025), (25, 1635413), (65, 629005), (169, 241925), (325, 125801), (845, 48385), (4225, 9677)]