16855640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5077}}^1$

素因数の和:5171

約数の個数: 32

約数和(自身を含む): 38389680

約数和(自身を除く): 21534040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 5077, 10154, 20308, 25385, 40616, 50770, 101540, 203080, 421391, 842782, 1685564, 2106955, 3371128, 4213910, 8427820, 16855640]

約数ペア:

[(1, 16855640), (2, 8427820), (4, 4213910), (5, 3371128), (8, 2106955), (10, 1685564), (20, 842782), (40, 421391), (83, 203080), (166, 101540), (332, 50770), (415, 40616), (664, 25385), (830, 20308), (1660, 10154), (3320, 5077)]