42520220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68581}}^1$

素因数の和:68621

約数の個数: 24

約数和(自身を含む): 92174208

約数和(自身を除く): 49653988

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 68581, 137162, 274324, 342905, 685810, 1371620, 2126011, 4252022, 8504044, 10630055, 21260110, 42520220]

約数ペア:

[(1, 42520220), (2, 21260110), (4, 10630055), (5, 8504044), (10, 4252022), (20, 2126011), (31, 1371620), (62, 685810), (124, 342905), (155, 274324), (310, 137162), (620, 68581)]