1328359960

素因数分解:

$2^3\times 5^1\times {\mathrm{2437}}^1\times {\mathrm{13627}}^1$

素因数の和:16075

約数の個数: 32

約数和(自身を含む): 2990255760

約数和(自身を除く): 1661895800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2437, 4874, 9748, 12185, 13627, 19496, 24370, 27254, 48740, 54508, 68135, 97480, 109016, 136270, 272540, 545080, 33208999, 66417998, 132835996, 166044995, 265671992, 332089990, 664179980, 1328359960]

約数ペア:

[(1, 1328359960), (2, 664179980), (4, 332089990), (5, 265671992), (8, 166044995), (10, 132835996), (20, 66417998), (40, 33208999), (2437, 545080), (4874, 272540), (9748, 136270), (12185, 109016), (13627, 97480), (19496, 68135), (24370, 54508), (27254, 48740)]