12990097940

素因数分解:

$2^2\times 5^1\times {\mathrm{673}}^1\times {\mathrm{965089}}^1$

素因数の和:965771

約数の個数: 24

約数和(自身を含む): 27319767720

約数和(自身を除く): 14329669780

約数列:

[1, 2, 4, 5, 10, 20, 673, 1346, 2692, 3365, 6730, 13460, 965089, 1930178, 3860356, 4825445, 9650890, 19301780, 649504897, 1299009794, 2598019588, 3247524485, 6495048970, 12990097940]

約数ペア:

[(1, 12990097940), (2, 6495048970), (4, 3247524485), (5, 2598019588), (10, 1299009794), (20, 649504897), (673, 19301780), (1346, 9650890), (2692, 4825445), (3365, 3860356), (6730, 1930178), (13460, 965089)]