30884780

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{17351}}^1$

素因数の和:17449

約数の個数: 24

約数和(自身を含む): 65590560

約数和(自身を除く): 34705780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 17351, 34702, 69404, 86755, 173510, 347020, 1544239, 3088478, 6176956, 7721195, 15442390, 30884780]

約数ペア:

[(1, 30884780), (2, 15442390), (4, 7721195), (5, 6176956), (10, 3088478), (20, 1544239), (89, 347020), (178, 173510), (356, 86755), (445, 69404), (890, 34702), (1780, 17351)]