81898660

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{95231}}^1$

素因数の和:95283

約数の個数: 24

約数和(自身を含む): 175988736

約数和(自身を除く): 94090076

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 95231, 190462, 380924, 476155, 952310, 1904620, 4094933, 8189866, 16379732, 20474665, 40949330, 81898660]

約数ペア:

[(1, 81898660), (2, 40949330), (4, 20474665), (5, 16379732), (10, 8189866), (20, 4094933), (43, 1904620), (86, 952310), (172, 476155), (215, 380924), (430, 190462), (860, 95231)]