1080820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4157}}^1$

素因数の和:4179

約数の個数: 24

約数和(自身を含む): 2444904

約数和(自身を除く): 1364084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4157, 8314, 16628, 20785, 41570, 54041, 83140, 108082, 216164, 270205, 540410, 1080820]

約数ペア:

[(1, 1080820), (2, 540410), (4, 270205), (5, 216164), (10, 108082), (13, 83140), (20, 54041), (26, 41570), (52, 20785), (65, 16628), (130, 8314), (260, 4157)]