7138023020

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{685031}}^1$

素因数の和:685561

約数の個数: 24

約数和(自身を含む): 15018641568

約数和(自身を除く): 7880618548

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 685031, 1370062, 2740124, 3425155, 6850310, 13700620, 356901151, 713802302, 1427604604, 1784505755, 3569011510, 7138023020]

約数ペア:

[(1, 7138023020), (2, 3569011510), (4, 1784505755), (5, 1427604604), (10, 713802302), (20, 356901151), (521, 13700620), (1042, 6850310), (2084, 3425155), (2605, 2740124), (5210, 1370062), (10420, 685031)]