80858260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{577559}}^1$

素因数の和:577575

約数の個数: 24

約数和(自身を含む): 194060160

約数和(自身を除く): 113201900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 577559, 1155118, 2310236, 2887795, 4042913, 5775590, 8085826, 11551180, 16171652, 20214565, 40429130, 80858260]

約数ペア:

[(1, 80858260), (2, 40429130), (4, 20214565), (5, 16171652), (7, 11551180), (10, 8085826), (14, 5775590), (20, 4042913), (28, 2887795), (35, 2310236), (70, 1155118), (140, 577559)]