385417040

素因数分解:

$2^4\times 5^1\times {\mathrm{4817713}}^1$

素因数の和:4817726

約数の個数: 20

約数和(自身を含む): 896094804

約数和(自身を除く): 510677764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4817713, 9635426, 19270852, 24088565, 38541704, 48177130, 77083408, 96354260, 192708520, 385417040]

約数ペア:

[(1, 385417040), (2, 192708520), (4, 96354260), (5, 77083408), (8, 48177130), (10, 38541704), (16, 24088565), (20, 19270852), (40, 9635426), (80, 4817713)]