15401780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40531}}^1$

素因数の和:40559

約数の個数: 24

約数和(自身を含む): 34046880

約数和(自身を除く): 18645100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 40531, 81062, 162124, 202655, 405310, 770089, 810620, 1540178, 3080356, 3850445, 7700890, 15401780]

約数ペア:

[(1, 15401780), (2, 7700890), (4, 3850445), (5, 3080356), (10, 1540178), (19, 810620), (20, 770089), (38, 405310), (76, 202655), (95, 162124), (190, 81062), (380, 40531)]