10388921860

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{389}}^1\times {\mathrm{16903}}^1$

素因数の和:17380

約数の個数: 48

約数和(自身を含む): 22151001600

約数和(自身を除く): 11762079740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 389, 395, 778, 790, 1556, 1580, 1945, 3890, 7780, 16903, 30731, 33806, 61462, 67612, 84515, 122924, 153655, 169030, 307310, 338060, 614620, 1335337, 2670674, 5341348, 6575267, 6676685, 13150534, 13353370, 26301068, 26706740, 32876335, 65752670, 131505340, 519446093, 1038892186, 2077784372, 2597230465, 5194460930, 10388921860]

約数ペア:

[(1, 10388921860), (2, 5194460930), (4, 2597230465), (5, 2077784372), (10, 1038892186), (20, 519446093), (79, 131505340), (158, 65752670), (316, 32876335), (389, 26706740), (395, 26301068), (778, 13353370), (790, 13150534), (1556, 6676685), (1580, 6575267), (1945, 5341348), (3890, 2670674), (7780, 1335337), (16903, 614620), (30731, 338060), (33806, 307310), (61462, 169030), (67612, 153655), (84515, 122924)]