65603920

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3581}}^1$

素因数の和:3823

約数の個数: 40

約数和(自身を含む): 153237960

約数和(自身を除く): 87634040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3581, 3664, 4580, 7162, 9160, 14324, 17905, 18320, 28648, 35810, 57296, 71620, 143240, 286480, 820049, 1640098, 3280196, 4100245, 6560392, 8200490, 13120784, 16400980, 32801960, 65603920]

約数ペア:

[(1, 65603920), (2, 32801960), (4, 16400980), (5, 13120784), (8, 8200490), (10, 6560392), (16, 4100245), (20, 3280196), (40, 1640098), (80, 820049), (229, 286480), (458, 143240), (916, 71620), (1145, 57296), (1832, 35810), (2290, 28648), (3581, 18320), (3664, 17905), (4580, 14324), (7162, 9160)]