2012993525

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{991}}^1\times {\mathrm{2621}}^1$

素因数の和:3653

約数の個数: 24

約数和(自身を含む): 2580215808

約数和(自身を除く): 567222283

約数列:

[1, 5, 25, 31, 155, 775, 991, 2621, 4955, 13105, 24775, 30721, 65525, 81251, 153605, 406255, 768025, 2031275, 2597411, 12987055, 64935275, 80519741, 402598705, 2012993525]

約数ペア:

[(1, 2012993525), (5, 402598705), (25, 80519741), (31, 64935275), (155, 12987055), (775, 2597411), (991, 2031275), (2621, 768025), (4955, 406255), (13105, 153605), (24775, 81251), (30721, 65525)]