13437220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7549}}^1$

素因数の和:7647

約数の個数: 24

約数和(自身を含む): 28539000

約数和(自身を除く): 15101780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 7549, 15098, 30196, 37745, 75490, 150980, 671861, 1343722, 2687444, 3359305, 6718610, 13437220]

約数ペア:

[(1, 13437220), (2, 6718610), (4, 3359305), (5, 2687444), (10, 1343722), (20, 671861), (89, 150980), (178, 75490), (356, 37745), (445, 30196), (890, 15098), (1780, 7549)]