25003640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14537}}^1$

素因数の和:14591

約数の個数: 32

約数和(自身を含む): 57570480

約数和(自身を除く): 32566840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 14537, 29074, 58148, 72685, 116296, 145370, 290740, 581480, 625091, 1250182, 2500364, 3125455, 5000728, 6250910, 12501820, 25003640]

約数ペア:

[(1, 25003640), (2, 12501820), (4, 6250910), (5, 5000728), (8, 3125455), (10, 2500364), (20, 1250182), (40, 625091), (43, 581480), (86, 290740), (172, 145370), (215, 116296), (344, 72685), (430, 58148), (860, 29074), (1720, 14537)]