9728840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22111}}^1$

素因数の和:22133

約数の個数: 32

約数和(自身を含む): 23880960

約数和(自身を除く): 14152120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 22111, 44222, 88444, 110555, 176888, 221110, 243221, 442220, 486442, 884440, 972884, 1216105, 1945768, 2432210, 4864420, 9728840]

約数ペア:

[(1, 9728840), (2, 4864420), (4, 2432210), (5, 1945768), (8, 1216105), (10, 972884), (11, 884440), (20, 486442), (22, 442220), (40, 243221), (44, 221110), (55, 176888), (88, 110555), (110, 88444), (220, 44222), (440, 22111)]