4180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1$

素因数の和:39

約数の個数: 24

約数和(自身を含む): 10080

約数和(自身を除く): 5900

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180]

約数ペア:

[(1, 4180), (2, 2090), (4, 1045), (5, 836), (10, 418), (11, 380), (19, 220), (20, 209), (22, 190), (38, 110), (44, 95), (55, 76)]