67401580

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{17107}}^1$

素因数の和:17313

約数の個数: 24

約数和(自身を含む): 142270128

約数和(自身を除く): 74868548

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 17107, 34214, 68428, 85535, 171070, 342140, 3370079, 6740158, 13480316, 16850395, 33700790, 67401580]

約数ペア:

[(1, 67401580), (2, 33700790), (4, 16850395), (5, 13480316), (10, 6740158), (20, 3370079), (197, 342140), (394, 171070), (788, 85535), (985, 68428), (1970, 34214), (3940, 17107)]