9971380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6311}}^1$

素因数の和:6399

約数の個数: 24

約数和(自身を含む): 21208320

約数和(自身を除く): 11236940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 6311, 12622, 25244, 31555, 63110, 126220, 498569, 997138, 1994276, 2492845, 4985690, 9971380]

約数ペア:

[(1, 9971380), (2, 4985690), (4, 2492845), (5, 1994276), (10, 997138), (20, 498569), (79, 126220), (158, 63110), (316, 31555), (395, 25244), (790, 12622), (1580, 6311)]