713429620

素因数分解:

$2^2\times 5^1\times {\mathrm{2221}}^1\times {\mathrm{16061}}^1$

素因数の和:18291

約数の個数: 24

約数和(自身を含む): 1498970088

約数和(自身を除く): 785540468

約数列:

[1, 2, 4, 5, 10, 20, 2221, 4442, 8884, 11105, 16061, 22210, 32122, 44420, 64244, 80305, 160610, 321220, 35671481, 71342962, 142685924, 178357405, 356714810, 713429620]

約数ペア:

[(1, 713429620), (2, 356714810), (4, 178357405), (5, 142685924), (10, 71342962), (20, 35671481), (2221, 321220), (4442, 160610), (8884, 80305), (11105, 64244), (16061, 44420), (22210, 32122)]