180956140

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{12907}}^1$

素因数の和:13617

約数の個数: 24

約数和(自身を含む): 380579472

約数和(自身を除く): 199623332

約数列:

[1, 2, 4, 5, 10, 20, 701, 1402, 2804, 3505, 7010, 12907, 14020, 25814, 51628, 64535, 129070, 258140, 9047807, 18095614, 36191228, 45239035, 90478070, 180956140]

約数ペア:

[(1, 180956140), (2, 90478070), (4, 45239035), (5, 36191228), (10, 18095614), (20, 9047807), (701, 258140), (1402, 129070), (2804, 64535), (3505, 51628), (7010, 25814), (12907, 14020)]