81023260

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{35851}}^1$

素因数の和:35973

約数の個数: 24

約数和(自身を含む): 171659376

約数和(自身を除く): 90636116

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 35851, 71702, 143404, 179255, 358510, 717020, 4051163, 8102326, 16204652, 20255815, 40511630, 81023260]

約数ペア:

[(1, 81023260), (2, 40511630), (4, 20255815), (5, 16204652), (10, 8102326), (20, 4051163), (113, 717020), (226, 358510), (452, 179255), (565, 143404), (1130, 71702), (2260, 35851)]