66390760

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{2341}}^1$

素因数の和:3061

約数の個数: 32

約数和(自身を含む): 149653800

約数和(自身を除く): 83263040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2341, 2836, 3545, 4682, 5672, 7090, 9364, 11705, 14180, 18728, 23410, 28360, 46820, 93640, 1659769, 3319538, 6639076, 8298845, 13278152, 16597690, 33195380, 66390760]

約数ペア:

[(1, 66390760), (2, 33195380), (4, 16597690), (5, 13278152), (8, 8298845), (10, 6639076), (20, 3319538), (40, 1659769), (709, 93640), (1418, 46820), (2341, 28360), (2836, 23410), (3545, 18728), (4682, 14180), (5672, 11705), (7090, 9364)]