13131380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8311}}^1$

素因数の和:8399

約数の個数: 24

約数和(自身を含む): 27928320

約数和(自身を除く): 14796940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 8311, 16622, 33244, 41555, 83110, 166220, 656569, 1313138, 2626276, 3282845, 6565690, 13131380]

約数ペア:

[(1, 13131380), (2, 6565690), (4, 3282845), (5, 2626276), (10, 1313138), (20, 656569), (79, 166220), (158, 83110), (316, 41555), (395, 33244), (790, 16622), (1580, 8311)]