27851860

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{7069}}^1$

素因数の和:7275

約数の個数: 24

約数和(自身を含む): 58794120

約数和(自身を除く): 30942260

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 7069, 14138, 28276, 35345, 70690, 141380, 1392593, 2785186, 5570372, 6962965, 13925930, 27851860]

約数ペア:

[(1, 27851860), (2, 13925930), (4, 6962965), (5, 5570372), (10, 2785186), (20, 1392593), (197, 141380), (394, 70690), (788, 35345), (985, 28276), (1970, 14138), (3940, 7069)]