39393040

素因数分解:

$2^4\times 5^1\times {\mathrm{492413}}^1$

素因数の和:492426

約数の個数: 20

約数和(自身を含む): 91589004

約数和(自身を除く): 52195964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 492413, 984826, 1969652, 2462065, 3939304, 4924130, 7878608, 9848260, 19696520, 39393040]

約数ペア:

[(1, 39393040), (2, 19696520), (4, 9848260), (5, 7878608), (8, 4924130), (10, 3939304), (16, 2462065), (20, 1969652), (40, 984826), (80, 492413)]