12559984

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{2557}}^1$

素因数の和:2872

約数の個数: 20

約数和(自身を含む): 24423784

約数和(自身を除く): 11863800

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 2557, 4912, 5114, 10228, 20456, 40912, 784999, 1569998, 3139996, 6279992, 12559984]

約数ペア:

[(1, 12559984), (2, 6279992), (4, 3139996), (8, 1569998), (16, 784999), (307, 40912), (614, 20456), (1228, 10228), (2456, 5114), (2557, 4912)]