2162120

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{283}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 4907520

約数和(自身を除く): 2745400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 283, 382, 566, 764, 955, 1132, 1415, 1528, 1910, 2264, 2830, 3820, 5660, 7640, 11320, 54053, 108106, 216212, 270265, 432424, 540530, 1081060, 2162120]

約数ペア:

[(1, 2162120), (2, 1081060), (4, 540530), (5, 432424), (8, 270265), (10, 216212), (20, 108106), (40, 54053), (191, 11320), (283, 7640), (382, 5660), (566, 3820), (764, 2830), (955, 2264), (1132, 1910), (1415, 1528)]