12870560

素因数分解:

$2^5\times 5^1\times {\mathrm{257}}^1\times {\mathrm{313}}^1$

素因数の和:585

約数の個数: 48

約数和(自身を含む): 30622536

約数和(自身を除く): 17751976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 257, 313, 514, 626, 1028, 1252, 1285, 1565, 2056, 2504, 2570, 3130, 4112, 5008, 5140, 6260, 8224, 10016, 10280, 12520, 20560, 25040, 41120, 50080, 80441, 160882, 321764, 402205, 643528, 804410, 1287056, 1608820, 2574112, 3217640, 6435280, 12870560]

約数ペア:

[(1, 12870560), (2, 6435280), (4, 3217640), (5, 2574112), (8, 1608820), (10, 1287056), (16, 804410), (20, 643528), (32, 402205), (40, 321764), (80, 160882), (160, 80441), (257, 50080), (313, 41120), (514, 25040), (626, 20560), (1028, 12520), (1252, 10280), (1285, 10016), (1565, 8224), (2056, 6260), (2504, 5140), (2570, 5008), (3130, 4112)]