83555420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{321367}}^1$

素因数の和:321389

約数の個数: 24

約数和(自身を含む): 188964384

約数和(自身を除く): 105408964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 321367, 642734, 1285468, 1606835, 3213670, 4177771, 6427340, 8355542, 16711084, 20888855, 41777710, 83555420]

約数ペア:

[(1, 83555420), (2, 41777710), (4, 20888855), (5, 16711084), (10, 8355542), (13, 6427340), (20, 4177771), (26, 3213670), (52, 1606835), (65, 1285468), (130, 642734), (260, 321367)]