26691620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43051}}^1$

素因数の和:43091

約数の個数: 24

約数和(自身を含む): 57861888

約数和(自身を除く): 31170268

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 43051, 86102, 172204, 215255, 430510, 861020, 1334581, 2669162, 5338324, 6672905, 13345810, 26691620]

約数ペア:

[(1, 26691620), (2, 13345810), (4, 6672905), (5, 5338324), (10, 2669162), (20, 1334581), (31, 861020), (62, 430510), (124, 215255), (155, 172204), (310, 86102), (620, 43051)]