80931580

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109367}}^1$

素因数の和:109413

約数の個数: 24

約数和(自身を含む): 174551328

約数和(自身を除く): 93619748

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 109367, 218734, 437468, 546835, 1093670, 2187340, 4046579, 8093158, 16186316, 20232895, 40465790, 80931580]

約数ペア:

[(1, 80931580), (2, 40465790), (4, 20232895), (5, 16186316), (10, 8093158), (20, 4046579), (37, 2187340), (74, 1093670), (148, 546835), (185, 437468), (370, 218734), (740, 109367)]