16630111640

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1311523}}^1$

素因数の和:1311851

約数の個数: 32

約数和(自身を含む): 37535816880

約数和(自身を除く): 20905705240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340, 12680, 1311523, 2623046, 5246092, 6557615, 10492184, 13115230, 26230460, 52460920, 415752791, 831505582, 1663011164, 2078763955, 3326022328, 4157527910, 8315055820, 16630111640]

約数ペア:

[(1, 16630111640), (2, 8315055820), (4, 4157527910), (5, 3326022328), (8, 2078763955), (10, 1663011164), (20, 831505582), (40, 415752791), (317, 52460920), (634, 26230460), (1268, 13115230), (1585, 10492184), (2536, 6557615), (3170, 5246092), (6340, 2623046), (12680, 1311523)]