8018380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21101}}^1$

素因数の和:21129

約数の個数: 24

約数和(自身を含む): 17725680

約数和(自身を除く): 9707300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21101, 42202, 84404, 105505, 211010, 400919, 422020, 801838, 1603676, 2004595, 4009190, 8018380]

約数ペア:

[(1, 8018380), (2, 4009190), (4, 2004595), (5, 1603676), (10, 801838), (19, 422020), (20, 400919), (38, 211010), (76, 105505), (95, 84404), (190, 42202), (380, 21101)]