65136080

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4133}}^1$

素因数の和:4343

約数の個数: 40

約数和(自身を含む): 152246952

約数和(自身を除く): 87110872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 4133, 7880, 8266, 15760, 16532, 20665, 33064, 41330, 66128, 82660, 165320, 330640, 814201, 1628402, 3256804, 4071005, 6513608, 8142010, 13027216, 16284020, 32568040, 65136080]

約数ペア:

[(1, 65136080), (2, 32568040), (4, 16284020), (5, 13027216), (8, 8142010), (10, 6513608), (16, 4071005), (20, 3256804), (40, 1628402), (80, 814201), (197, 330640), (394, 165320), (788, 82660), (985, 66128), (1576, 41330), (1970, 33064), (3152, 20665), (3940, 16532), (4133, 15760), (7880, 8266)]