8220440

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1361}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 18632160

約数和(自身を除く): 10411720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1361, 1510, 2722, 3020, 5444, 6040, 6805, 10888, 13610, 27220, 54440, 205511, 411022, 822044, 1027555, 1644088, 2055110, 4110220, 8220440]

約数ペア:

[(1, 8220440), (2, 4110220), (4, 2055110), (5, 1644088), (8, 1027555), (10, 822044), (20, 411022), (40, 205511), (151, 54440), (302, 27220), (604, 13610), (755, 10888), (1208, 6805), (1361, 6040), (1510, 5444), (2722, 3020)]