8571440

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{349}}^1$

素因数の和:669

約数の個数: 40

約数和(自身を含む): 20050800

約数和(自身を除く): 11479360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 349, 614, 698, 1228, 1396, 1535, 1745, 2456, 2792, 3070, 3490, 4912, 5584, 6140, 6980, 12280, 13960, 24560, 27920, 107143, 214286, 428572, 535715, 857144, 1071430, 1714288, 2142860, 4285720, 8571440]

約数ペア:

[(1, 8571440), (2, 4285720), (4, 2142860), (5, 1714288), (8, 1071430), (10, 857144), (16, 535715), (20, 428572), (40, 214286), (80, 107143), (307, 27920), (349, 24560), (614, 13960), (698, 12280), (1228, 6980), (1396, 6140), (1535, 5584), (1745, 4912), (2456, 3490), (2792, 3070)]