4426820

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{569}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 9336600

約数和(自身を除く): 4909780

約数列:

[1, 2, 4, 5, 10, 20, 389, 569, 778, 1138, 1556, 1945, 2276, 2845, 3890, 5690, 7780, 11380, 221341, 442682, 885364, 1106705, 2213410, 4426820]

約数ペア:

[(1, 4426820), (2, 2213410), (4, 1106705), (5, 885364), (10, 442682), (20, 221341), (389, 11380), (569, 7780), (778, 5690), (1138, 3890), (1556, 2845), (1945, 2276)]