28915240

素因数分解:

$2^3\times 5^1\times {\mathrm{722881}}^1$

素因数の和:722892

約数の個数: 16

約数和(自身を含む): 65059380

約数和(自身を除く): 36144140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 722881, 1445762, 2891524, 3614405, 5783048, 7228810, 14457620, 28915240]

約数ペア:

[(1, 28915240), (2, 14457620), (4, 7228810), (5, 5783048), (8, 3614405), (10, 2891524), (20, 1445762), (40, 722881)]