2019937525

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{911}}^1\times {\mathrm{2861}}^1$

素因数の和:3813

約数の個数: 24

約数和(自身を含む): 2589262848

約数和(自身を除く): 569325323

約数列:

[1, 5, 25, 31, 155, 775, 911, 2861, 4555, 14305, 22775, 28241, 71525, 88691, 141205, 443455, 706025, 2217275, 2606371, 13031855, 65159275, 80797501, 403987505, 2019937525]

約数ペア:

[(1, 2019937525), (5, 403987505), (25, 80797501), (31, 65159275), (155, 13031855), (775, 2606371), (911, 2217275), (2861, 706025), (4555, 443455), (14305, 141205), (22775, 88691), (28241, 71525)]