71293580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{209687}}^1$

素因数の和:209713

約数の個数: 24

約数和(自身を含む): 158524128

約数和(自身を除く): 87230548

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 209687, 419374, 838748, 1048435, 2096870, 3564679, 4193740, 7129358, 14258716, 17823395, 35646790, 71293580]

約数ペア:

[(1, 71293580), (2, 35646790), (4, 17823395), (5, 14258716), (10, 7129358), (17, 4193740), (20, 3564679), (34, 2096870), (68, 1048435), (85, 838748), (170, 419374), (340, 209687)]