71433940

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{8287}}^1$

素因数の和:8727

約数の個数: 24

約数和(自身を含む): 150377472

約数和(自身を除く): 78943532

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 8287, 8620, 16574, 33148, 41435, 82870, 165740, 3571697, 7143394, 14286788, 17858485, 35716970, 71433940]

約数ペア:

[(1, 71433940), (2, 35716970), (4, 17858485), (5, 14286788), (10, 7143394), (20, 3571697), (431, 165740), (862, 82870), (1724, 41435), (2155, 33148), (4310, 16574), (8287, 8620)]