323020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 701568

約数和(自身を除く): 378548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 521, 620, 1042, 2084, 2605, 5210, 10420, 16151, 32302, 64604, 80755, 161510, 323020]

約数ペア:

[(1, 323020), (2, 161510), (4, 80755), (5, 64604), (10, 32302), (20, 16151), (31, 10420), (62, 5210), (124, 2605), (155, 2084), (310, 1042), (521, 620)]