2011550120

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{129277}}^1$

素因数の和:129677

約数の個数: 32

約数和(自身を含む): 4537657800

約数和(自身を除く): 2526107680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 15560, 129277, 258554, 517108, 646385, 1034216, 1292770, 2585540, 5171080, 50288753, 100577506, 201155012, 251443765, 402310024, 502887530, 1005775060, 2011550120]

約数ペア:

[(1, 2011550120), (2, 1005775060), (4, 502887530), (5, 402310024), (8, 251443765), (10, 201155012), (20, 100577506), (40, 50288753), (389, 5171080), (778, 2585540), (1556, 1292770), (1945, 1034216), (3112, 646385), (3890, 517108), (7780, 258554), (15560, 129277)]