1261220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3319}}^1$

素因数の和:3347

約数の個数: 24

約数和(自身を含む): 2788800

約数和(自身を除く): 1527580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 3319, 6638, 13276, 16595, 33190, 63061, 66380, 126122, 252244, 315305, 630610, 1261220]

約数ペア:

[(1, 1261220), (2, 630610), (4, 315305), (5, 252244), (10, 126122), (19, 66380), (20, 63061), (38, 33190), (76, 16595), (95, 13276), (190, 6638), (380, 3319)]