4080220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6581}}^1$

素因数の和:6621

約数の個数: 24

約数和(自身を含む): 8846208

約数和(自身を除く): 4765988

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 6581, 13162, 26324, 32905, 65810, 131620, 204011, 408022, 816044, 1020055, 2040110, 4080220]

約数ペア:

[(1, 4080220), (2, 2040110), (4, 1020055), (5, 816044), (10, 408022), (20, 204011), (31, 131620), (62, 65810), (124, 32905), (155, 26324), (310, 13162), (620, 6581)]