6444440

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2207}}^1$

素因数の和:2291

約数の個数: 32

約数和(自身を含む): 14705280

約数和(自身を除く): 8260840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2207, 2920, 4414, 8828, 11035, 17656, 22070, 44140, 88280, 161111, 322222, 644444, 805555, 1288888, 1611110, 3222220, 6444440]

約数ペア:

[(1, 6444440), (2, 3222220), (4, 1611110), (5, 1288888), (8, 805555), (10, 644444), (20, 322222), (40, 161111), (73, 88280), (146, 44140), (292, 22070), (365, 17656), (584, 11035), (730, 8828), (1460, 4414), (2207, 2920)]