23778140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{643}}^1$

素因数の和:738

約数の個数: 36

約数和(自身を含む): 51201864

約数和(自身を除く): 27423724

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 643, 860, 1286, 1849, 2572, 3215, 3698, 6430, 7396, 9245, 12860, 18490, 27649, 36980, 55298, 110596, 138245, 276490, 552980, 1188907, 2377814, 4755628, 5944535, 11889070, 23778140]

約数ペア:

[(1, 23778140), (2, 11889070), (4, 5944535), (5, 4755628), (10, 2377814), (20, 1188907), (43, 552980), (86, 276490), (172, 138245), (215, 110596), (430, 55298), (643, 36980), (860, 27649), (1286, 18490), (1849, 12860), (2572, 9245), (3215, 7396), (3698, 6430)]