20165461040

素因数分解:

$2^4\times 5^1\times {\mathrm{252068263}}^1$

素因数の和:252068276

約数の個数: 20

約数和(自身を含む): 46884697104

約数和(自身を除く): 26719236064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252068263, 504136526, 1008273052, 1260341315, 2016546104, 2520682630, 4033092208, 5041365260, 10082730520, 20165461040]

約数ペア:

[(1, 20165461040), (2, 10082730520), (4, 5041365260), (5, 4033092208), (8, 2520682630), (10, 2016546104), (16, 1260341315), (20, 1008273052), (40, 504136526), (80, 252068263)]