531310040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{187081}}^1$

素因数の和:187163

約数の個数: 32

約数和(自身を含む): 1212291360

約数和(自身を除く): 680981320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 187081, 374162, 748324, 935405, 1496648, 1870810, 3741620, 7483240, 13282751, 26565502, 53131004, 66413755, 106262008, 132827510, 265655020, 531310040]

約数ペア:

[(1, 531310040), (2, 265655020), (4, 132827510), (5, 106262008), (8, 66413755), (10, 53131004), (20, 26565502), (40, 13282751), (71, 7483240), (142, 3741620), (284, 1870810), (355, 1496648), (568, 935405), (710, 748324), (1420, 374162), (2840, 187081)]