13679920

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{557}}^1$

素因数の和:877

約数の個数: 40

約数和(自身を含む): 31966704

約数和(自身を除く): 18286784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 557, 614, 1114, 1228, 1535, 2228, 2456, 2785, 3070, 4456, 4912, 5570, 6140, 8912, 11140, 12280, 22280, 24560, 44560, 170999, 341998, 683996, 854995, 1367992, 1709990, 2735984, 3419980, 6839960, 13679920]

約数ペア:

[(1, 13679920), (2, 6839960), (4, 3419980), (5, 2735984), (8, 1709990), (10, 1367992), (16, 854995), (20, 683996), (40, 341998), (80, 170999), (307, 44560), (557, 24560), (614, 22280), (1114, 12280), (1228, 11140), (1535, 8912), (2228, 6140), (2456, 5570), (2785, 4912), (3070, 4456)]