85260125420

素因数分解:

$2^2\times 5^1\times {\mathrm{4263006271}}^1$

素因数の和:4263006280

約数の個数: 12

約数和(自身を含む): 179046263424

約数和(自身を除く): 93786138004

約数列:

[1, 2, 4, 5, 10, 20, 4263006271, 8526012542, 17052025084, 21315031355, 42630062710, 85260125420]

約数ペア:

[(1, 85260125420), (2, 42630062710), (4, 21315031355), (5, 17052025084), (10, 8526012542), (20, 4263006271)]