87400225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{3571}}^1$

素因数の和:3681

約数の個数: 24

約数和(自身を含む): 119590560

約数和(自身を除く): 32190335

約数列:

[1, 5, 11, 25, 55, 89, 275, 445, 979, 2225, 3571, 4895, 17855, 24475, 39281, 89275, 196405, 317819, 982025, 1589095, 3496009, 7945475, 17480045, 87400225]

約数ペア:

[(1, 87400225), (5, 17480045), (11, 7945475), (25, 3496009), (55, 1589095), (89, 982025), (275, 317819), (445, 196405), (979, 89275), (2225, 39281), (3571, 24475), (4895, 17855)]