166184440

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{15797}}^1$

素因数の和:16071

約数の個数: 32

約数和(自身を含む): 375360480

約数和(自身を除く): 209176040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 15797, 31594, 63188, 78985, 126376, 157970, 315940, 631880, 4154611, 8309222, 16618444, 20773055, 33236888, 41546110, 83092220, 166184440]

約数ペア:

[(1, 166184440), (2, 83092220), (4, 41546110), (5, 33236888), (8, 20773055), (10, 16618444), (20, 8309222), (40, 4154611), (263, 631880), (526, 315940), (1052, 157970), (1315, 126376), (2104, 78985), (2630, 63188), (5260, 31594), (10520, 15797)]