159108860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{89387}}^1$

素因数の和:89485

約数の個数: 24

約数和(自身を含む): 337886640

約数和(自身を除く): 178777780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 89387, 178774, 357548, 446935, 893870, 1787740, 7955443, 15910886, 31821772, 39777215, 79554430, 159108860]

約数ペア:

[(1, 159108860), (2, 79554430), (4, 39777215), (5, 31821772), (10, 15910886), (20, 7955443), (89, 1787740), (178, 893870), (356, 446935), (445, 357548), (890, 178774), (1780, 89387)]