87271120

素因数分解:

$2^4\times 5^1\times {\mathrm{1090889}}^1$

素因数の和:1090902

約数の個数: 20

約数和(自身を含む): 202905540

約数和(自身を除く): 115634420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1090889, 2181778, 4363556, 5454445, 8727112, 10908890, 17454224, 21817780, 43635560, 87271120]

約数ペア:

[(1, 87271120), (2, 43635560), (4, 21817780), (5, 17454224), (8, 10908890), (10, 8727112), (16, 5454445), (20, 4363556), (40, 2181778), (80, 1090889)]