1292184440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{313637}}^1$

素因数の和:313751

約数の個数: 32

約数和(自身を含む): 2935651680

約数和(自身を除く): 1643467240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 313637, 627274, 1254548, 1568185, 2509096, 3136370, 6272740, 12545480, 32304611, 64609222, 129218444, 161523055, 258436888, 323046110, 646092220, 1292184440]

約数ペア:

[(1, 1292184440), (2, 646092220), (4, 323046110), (5, 258436888), (8, 161523055), (10, 129218444), (20, 64609222), (40, 32304611), (103, 12545480), (206, 6272740), (412, 3136370), (515, 2509096), (824, 1568185), (1030, 1254548), (2060, 627274), (4120, 313637)]