66598220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{256147}}^1$

素因数の和:256169

約数の個数: 24

約数和(自身を含む): 150615024

約数和(自身を除く): 84016804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 256147, 512294, 1024588, 1280735, 2561470, 3329911, 5122940, 6659822, 13319644, 16649555, 33299110, 66598220]

約数ペア:

[(1, 66598220), (2, 33299110), (4, 16649555), (5, 13319644), (10, 6659822), (13, 5122940), (20, 3329911), (26, 2561470), (52, 1280735), (65, 1024588), (130, 512294), (260, 256147)]