39721460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{86351}}^1$

素因数の和:86383

約数の個数: 24

約数和(自身を含む): 87042816

約数和(自身を除く): 47321356

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 86351, 172702, 345404, 431755, 863510, 1727020, 1986073, 3972146, 7944292, 9930365, 19860730, 39721460]

約数ペア:

[(1, 39721460), (2, 19860730), (4, 9930365), (5, 7944292), (10, 3972146), (20, 1986073), (23, 1727020), (46, 863510), (92, 431755), (115, 345404), (230, 172702), (460, 86351)]