56850820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218657}}^1$

素因数の和:218679

約数の個数: 24

約数和(自身を含む): 128570904

約数和(自身を除く): 71720084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 218657, 437314, 874628, 1093285, 2186570, 2842541, 4373140, 5685082, 11370164, 14212705, 28425410, 56850820]

約数ペア:

[(1, 56850820), (2, 28425410), (4, 14212705), (5, 11370164), (10, 5685082), (13, 4373140), (20, 2842541), (26, 2186570), (52, 1093285), (65, 874628), (130, 437314), (260, 218657)]