65328040

素因数分解:

$2^3\times 5^1\times {\mathrm{1633201}}^1$

素因数の和:1633212

約数の個数: 16

約数和(自身を含む): 146988180

約数和(自身を除く): 81660140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1633201, 3266402, 6532804, 8166005, 13065608, 16332010, 32664020, 65328040]

約数ペア:

[(1, 65328040), (2, 32664020), (4, 16332010), (5, 13065608), (8, 8166005), (10, 6532804), (20, 3266402), (40, 1633201)]