40490360

素因数分解:

$2^3\times 5^1\times {\mathrm{1012259}}^1$

素因数の和:1012270

約数の個数: 16

約数和(自身を含む): 91103400

約数和(自身を除く): 50613040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1012259, 2024518, 4049036, 5061295, 8098072, 10122590, 20245180, 40490360]

約数ペア:

[(1, 40490360), (2, 20245180), (4, 10122590), (5, 8098072), (8, 5061295), (10, 4049036), (20, 2024518), (40, 1012259)]