71132840

素因数分解:

$2^3\times 5^1\times {\mathrm{1778321}}^1$

素因数の和:1778332

約数の個数: 16

約数和(自身を含む): 160048980

約数和(自身を除く): 88916140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1778321, 3556642, 7113284, 8891605, 14226568, 17783210, 35566420, 71132840]

約数ペア:

[(1, 71132840), (2, 35566420), (4, 17783210), (5, 14226568), (8, 8891605), (10, 7113284), (20, 3556642), (40, 1778321)]