162177940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{188579}}^1$

素因数の和:188631

約数の個数: 24

約数和(自身を含む): 348495840

約数和(自身を除く): 186317900

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 188579, 377158, 754316, 942895, 1885790, 3771580, 8108897, 16217794, 32435588, 40544485, 81088970, 162177940]

約数ペア:

[(1, 162177940), (2, 81088970), (4, 40544485), (5, 32435588), (10, 16217794), (20, 8108897), (43, 3771580), (86, 1885790), (172, 942895), (215, 754316), (430, 377158), (860, 188579)]