56781820

素因数分解:

$2^2\times 5^1\times {\mathrm{827}}^1\times {\mathrm{3433}}^1$

素因数の和:4269

約数の個数: 24

約数和(自身を含む): 119420784

約数和(自身を除く): 62638964

約数列:

[1, 2, 4, 5, 10, 20, 827, 1654, 3308, 3433, 4135, 6866, 8270, 13732, 16540, 17165, 34330, 68660, 2839091, 5678182, 11356364, 14195455, 28390910, 56781820]

約数ペア:

[(1, 56781820), (2, 28390910), (4, 14195455), (5, 11356364), (10, 5678182), (20, 2839091), (827, 68660), (1654, 34330), (3308, 17165), (3433, 16540), (4135, 13732), (6866, 8270)]