28639756420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130180711}}^1$

素因数の和:130180731

約数の個数: 24

約数和(自身を含む): 65611078848

約数和(自身を除く): 36971322428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 130180711, 260361422, 520722844, 650903555, 1301807110, 1431987821, 2603614220, 2863975642, 5727951284, 7159939105, 14319878210, 28639756420]

約数ペア:

[(1, 28639756420), (2, 14319878210), (4, 7159939105), (5, 5727951284), (10, 2863975642), (11, 2603614220), (20, 1431987821), (22, 1301807110), (44, 650903555), (55, 520722844), (110, 260361422), (220, 130180711)]