812713040

素因数分解:

$2^4\times 5^1\times {\mathrm{10158913}}^1$

素因数の和:10158926

約数の個数: 20

約数和(自身を含む): 1889558004

約数和(自身を除く): 1076844964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10158913, 20317826, 40635652, 50794565, 81271304, 101589130, 162542608, 203178260, 406356520, 812713040]

約数ペア:

[(1, 812713040), (2, 406356520), (4, 203178260), (5, 162542608), (8, 101589130), (10, 81271304), (16, 50794565), (20, 40635652), (40, 20317826), (80, 10158913)]