80622760

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{5077}}^1$

素因数の和:5485

約数の個数: 32

約数和(自身を含む): 181893960

約数和(自身を除く): 101271200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 5077, 7940, 10154, 15880, 20308, 25385, 40616, 50770, 101540, 203080, 2015569, 4031138, 8062276, 10077845, 16124552, 20155690, 40311380, 80622760]

約数ペア:

[(1, 80622760), (2, 40311380), (4, 20155690), (5, 16124552), (8, 10077845), (10, 8062276), (20, 4031138), (40, 2015569), (397, 203080), (794, 101540), (1588, 50770), (1985, 40616), (3176, 25385), (3970, 20308), (5077, 15880), (7940, 10154)]