220023760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{250027}}^1$

素因数の和:250051

約数の個数: 40

約数和(自身を含む): 558062496

約数和(自身を除く): 338038736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 250027, 500054, 1000108, 1250135, 2000216, 2500270, 2750297, 4000432, 5000540, 5500594, 10001080, 11001188, 13751485, 20002160, 22002376, 27502970, 44004752, 55005940, 110011880, 220023760]

約数ペア:

[(1, 220023760), (2, 110011880), (4, 55005940), (5, 44004752), (8, 27502970), (10, 22002376), (11, 20002160), (16, 13751485), (20, 11001188), (22, 10001080), (40, 5500594), (44, 5000540), (55, 4000432), (80, 2750297), (88, 2500270), (110, 2000216), (176, 1250135), (220, 1000108), (440, 500054), (880, 250027)]