87406180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257077}}^1$

素因数の和:257103

約数の個数: 24

約数和(自身を含む): 194350968

約数和(自身を除く): 106944788

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 257077, 514154, 1028308, 1285385, 2570770, 4370309, 5141540, 8740618, 17481236, 21851545, 43703090, 87406180]

約数ペア:

[(1, 87406180), (2, 43703090), (4, 21851545), (5, 17481236), (10, 8740618), (17, 5141540), (20, 4370309), (34, 2570770), (68, 1285385), (85, 1028308), (170, 514154), (340, 257077)]