67401980

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{3089}}^1$

素因数の和:4189

約数の個数: 24

約数和(自身を含む): 141719760

約数和(自身を除く): 74317780

約数列:

[1, 2, 4, 5, 10, 20, 1091, 2182, 3089, 4364, 5455, 6178, 10910, 12356, 15445, 21820, 30890, 61780, 3370099, 6740198, 13480396, 16850495, 33700990, 67401980]

約数ペア:

[(1, 67401980), (2, 33700990), (4, 16850495), (5, 13480396), (10, 6740198), (20, 3370099), (1091, 61780), (2182, 30890), (3089, 21820), (4364, 15445), (5455, 12356), (6178, 10910)]