15401980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{70009}}^1$

素因数の和:70029

約数の個数: 24

約数和(自身を含む): 35285040

約数和(自身を除く): 19883060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 70009, 140018, 280036, 350045, 700090, 770099, 1400180, 1540198, 3080396, 3850495, 7700990, 15401980]

約数ペア:

[(1, 15401980), (2, 7700990), (4, 3850495), (5, 3080396), (10, 1540198), (11, 1400180), (20, 770099), (22, 700090), (44, 350045), (55, 280036), (110, 140018), (220, 70009)]