28997620

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{7591}}^1$

素因数の和:7791

約数の個数: 24

約数和(自身を含む): 61221888

約数和(自身を除く): 32224268

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 7591, 15182, 30364, 37955, 75910, 151820, 1449881, 2899762, 5799524, 7249405, 14498810, 28997620]

約数ペア:

[(1, 28997620), (2, 14498810), (4, 7249405), (5, 5799524), (10, 2899762), (20, 1449881), (191, 151820), (382, 75910), (764, 37955), (955, 30364), (1910, 15182), (3820, 7591)]