28423340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129197}}^1$

素因数の和:129217

約数の個数: 24

約数和(自身を含む): 65115792

約数和(自身を除く): 36692452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 129197, 258394, 516788, 645985, 1291970, 1421167, 2583940, 2842334, 5684668, 7105835, 14211670, 28423340]

約数ペア:

[(1, 28423340), (2, 14211670), (4, 7105835), (5, 5684668), (10, 2842334), (11, 2583940), (20, 1421167), (22, 1291970), (44, 645985), (55, 516788), (110, 258394), (220, 129197)]