210560260

素因数分解:

$2^2\times 5^1\times {\mathrm{1867}}^1\times {\mathrm{5639}}^1$

素因数の和:7515

約数の個数: 24

約数和(自身を含む): 442491840

約数和(自身を除く): 231931580

約数列:

[1, 2, 4, 5, 10, 20, 1867, 3734, 5639, 7468, 9335, 11278, 18670, 22556, 28195, 37340, 56390, 112780, 10528013, 21056026, 42112052, 52640065, 105280130, 210560260]

約数ペア:

[(1, 210560260), (2, 105280130), (4, 52640065), (5, 42112052), (10, 21056026), (20, 10528013), (1867, 112780), (3734, 56390), (5639, 37340), (7468, 28195), (9335, 22556), (11278, 18670)]