520055575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{9817}}^1$

素因数の和:10003

約数の個数: 24

約数和(自身を含む): 698805968

約数和(自身を除く): 178750393

約数列:

[1, 5, 13, 25, 65, 163, 325, 815, 2119, 4075, 9817, 10595, 49085, 52975, 127621, 245425, 638105, 1600171, 3190525, 8000855, 20802223, 40004275, 104011115, 520055575]

約数ペア:

[(1, 520055575), (5, 104011115), (13, 40004275), (25, 20802223), (65, 8000855), (163, 3190525), (325, 1600171), (815, 638105), (2119, 245425), (4075, 127621), (9817, 52975), (10595, 49085)]