71685580

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{16073}}^1$

素因数の和:16305

約数の個数: 24

約数和(自身を含む): 151224192

約数和(自身を除く): 79538612

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 16073, 32146, 64292, 80365, 160730, 321460, 3584279, 7168558, 14337116, 17921395, 35842790, 71685580]

約数ペア:

[(1, 71685580), (2, 35842790), (4, 17921395), (5, 14337116), (10, 7168558), (20, 3584279), (223, 321460), (446, 160730), (892, 80365), (1115, 64292), (2230, 32146), (4460, 16073)]