11995960

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{601}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 27090000

約数和(自身を除く): 15094040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 601, 998, 1202, 1996, 2404, 2495, 3005, 3992, 4808, 4990, 6010, 9980, 12020, 19960, 24040, 299899, 599798, 1199596, 1499495, 2399192, 2998990, 5997980, 11995960]

約数ペア:

[(1, 11995960), (2, 5997980), (4, 2998990), (5, 2399192), (8, 1499495), (10, 1199596), (20, 599798), (40, 299899), (499, 24040), (601, 19960), (998, 12020), (1202, 9980), (1996, 6010), (2404, 4990), (2495, 4808), (3005, 3992)]