80139905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{4219}}^1$

素因数の和:4384

約数の個数: 16

約数和(自身を含む): 100267200

約数和(自身を除く): 20127295

約数列:

[1, 5, 29, 131, 145, 655, 3799, 4219, 18995, 21095, 122351, 552689, 611755, 2763445, 16027981, 80139905]

約数ペア:

[(1, 80139905), (5, 16027981), (29, 2763445), (131, 611755), (145, 552689), (655, 122351), (3799, 21095), (4219, 18995)]