661330660040

素因数分解:

$2^3\times 5^1\times {\mathrm{16533266501}}^1$

素因数の和:16533266512

約数の個数: 16

約数和(自身を含む): 1487993985180

約数和(自身を除く): 826663325140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 16533266501, 33066533002, 66133066004, 82666332505, 132266132008, 165332665010, 330665330020, 661330660040]

約数ペア:

[(1, 661330660040), (2, 330665330020), (4, 165332665010), (5, 132266132008), (8, 82666332505), (10, 66133066004), (20, 33066533002), (40, 16533266501)]