28464440

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2039}}^1$

素因数の和:2399

約数の個数: 32

約数和(自身を含む): 64260000

約数和(自身を除く): 35795560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2039, 2792, 3490, 4078, 6980, 8156, 10195, 13960, 16312, 20390, 40780, 81560, 711611, 1423222, 2846444, 3558055, 5692888, 7116110, 14232220, 28464440]

約数ペア:

[(1, 28464440), (2, 14232220), (4, 7116110), (5, 5692888), (8, 3558055), (10, 2846444), (20, 1423222), (40, 711611), (349, 81560), (698, 40780), (1396, 20390), (1745, 16312), (2039, 13960), (2792, 10195), (3490, 8156), (4078, 6980)]