40165040

素因数分解:

$2^4\times 5^1\times {\mathrm{502063}}^1$

素因数の和:502076

約数の個数: 20

約数和(自身を含む): 93383904

約数和(自身を除く): 53218864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 502063, 1004126, 2008252, 2510315, 4016504, 5020630, 8033008, 10041260, 20082520, 40165040]

約数ペア:

[(1, 40165040), (2, 20082520), (4, 10041260), (5, 8033008), (8, 5020630), (10, 4016504), (16, 2510315), (20, 2008252), (40, 1004126), (80, 502063)]