28323860

素因数分解:

$2^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{1277}}^1$

素因数の和:2395

約数の個数: 24

約数和(自身を含む): 59580360

約数和(自身を除く): 31256500

約数列:

[1, 2, 4, 5, 10, 20, 1109, 1277, 2218, 2554, 4436, 5108, 5545, 6385, 11090, 12770, 22180, 25540, 1416193, 2832386, 5664772, 7080965, 14161930, 28323860]

約数ペア:

[(1, 28323860), (2, 14161930), (4, 7080965), (5, 5664772), (10, 2832386), (20, 1416193), (1109, 25540), (1277, 22180), (2218, 12770), (2554, 11090), (4436, 6385), (5108, 5545)]