8212180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21611}}^1$

素因数の和:21639

約数の個数: 24

約数和(自身を含む): 18154080

約数和(自身を除く): 9941900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 21611, 43222, 86444, 108055, 216110, 410609, 432220, 821218, 1642436, 2053045, 4106090, 8212180]

約数ペア:

[(1, 8212180), (2, 4106090), (4, 2053045), (5, 1642436), (10, 821218), (19, 432220), (20, 410609), (38, 216110), (76, 108055), (95, 86444), (190, 43222), (380, 21611)]