2056549640

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{132169}}^1$

素因数の和:132569

約数の個数: 32

約数和(自身を含む): 4639167000

約数和(自身を除く): 2582617360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 15560, 132169, 264338, 528676, 660845, 1057352, 1321690, 2643380, 5286760, 51413741, 102827482, 205654964, 257068705, 411309928, 514137410, 1028274820, 2056549640]

約数ペア:

[(1, 2056549640), (2, 1028274820), (4, 514137410), (5, 411309928), (8, 257068705), (10, 205654964), (20, 102827482), (40, 51413741), (389, 5286760), (778, 2643380), (1556, 1321690), (1945, 1057352), (3112, 660845), (3890, 528676), (7780, 264338), (15560, 132169)]