40713040

素因数分解:

$2^4\times 5^1\times {\mathrm{508913}}^1$

素因数の和:508926

約数の個数: 20

約数和(自身を含む): 94658004

約数和(自身を除く): 53944964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 508913, 1017826, 2035652, 2544565, 4071304, 5089130, 8142608, 10178260, 20356520, 40713040]

約数ペア:

[(1, 40713040), (2, 20356520), (4, 10178260), (5, 8142608), (8, 5089130), (10, 4071304), (16, 2544565), (20, 2035652), (40, 1017826), (80, 508913)]