64766780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{249103}}^1$

素因数の和:249125

約数の個数: 24

約数和(自身を含む): 146473152

約数和(自身を除く): 81706372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 249103, 498206, 996412, 1245515, 2491030, 3238339, 4982060, 6476678, 12953356, 16191695, 32383390, 64766780]

約数ペア:

[(1, 64766780), (2, 32383390), (4, 16191695), (5, 12953356), (10, 6476678), (13, 4982060), (20, 3238339), (26, 2491030), (52, 1245515), (65, 996412), (130, 498206), (260, 249103)]