71043740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{82609}}^1$

素因数の和:82661

約数の個数: 24

約数和(自身を含む): 152663280

約数和(自身を除く): 81619540

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 82609, 165218, 330436, 413045, 826090, 1652180, 3552187, 7104374, 14208748, 17760935, 35521870, 71043740]

約数ペア:

[(1, 71043740), (2, 35521870), (4, 17760935), (5, 14208748), (10, 7104374), (20, 3552187), (43, 1652180), (86, 826090), (172, 413045), (215, 330436), (430, 165218), (860, 82609)]