1668702940

素因数分解:

$2^2\times 5^1\times {\mathrm{4157}}^1\times {\mathrm{20071}}^1$

素因数の和:24237

約数の個数: 24

約数和(自身を含む): 3505293792

約数和(自身を除く): 1836590852

約数列:

[1, 2, 4, 5, 10, 20, 4157, 8314, 16628, 20071, 20785, 40142, 41570, 80284, 83140, 100355, 200710, 401420, 83435147, 166870294, 333740588, 417175735, 834351470, 1668702940]

約数ペア:

[(1, 1668702940), (2, 834351470), (4, 417175735), (5, 333740588), (10, 166870294), (20, 83435147), (4157, 401420), (8314, 200710), (16628, 100355), (20071, 83140), (20785, 80284), (40142, 41570)]