22528840

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1811}}^1$

素因数の和:2133

約数の個数: 32

約数和(自身を含む): 50880960

約数和(自身を除く): 28352120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 1811, 2488, 3110, 3622, 6220, 7244, 9055, 12440, 14488, 18110, 36220, 72440, 563221, 1126442, 2252884, 2816105, 4505768, 5632210, 11264420, 22528840]

約数ペア:

[(1, 22528840), (2, 11264420), (4, 5632210), (5, 4505768), (8, 2816105), (10, 2252884), (20, 1126442), (40, 563221), (311, 72440), (622, 36220), (1244, 18110), (1555, 14488), (1811, 12440), (2488, 9055), (3110, 7244), (3622, 6220)]