87580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 191520

約数和(自身を除く): 103940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 151, 290, 302, 580, 604, 755, 1510, 3020, 4379, 8758, 17516, 21895, 43790, 87580]

約数ペア:

[(1, 87580), (2, 43790), (4, 21895), (5, 17516), (10, 8758), (20, 4379), (29, 3020), (58, 1510), (116, 755), (145, 604), (151, 580), (290, 302)]