26882020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1812

約数の個数: 48

約数和(自身を含む): 62487936

約数和(自身を除く): 35605916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 1721, 3124, 3442, 3905, 6884, 7810, 8605, 15620, 17210, 18931, 34420, 37862, 75724, 94655, 122191, 189310, 244382, 378620, 488764, 610955, 1221910, 1344101, 2443820, 2688202, 5376404, 6720505, 13441010, 26882020]

約数ペア:

[(1, 26882020), (2, 13441010), (4, 6720505), (5, 5376404), (10, 2688202), (11, 2443820), (20, 1344101), (22, 1221910), (44, 610955), (55, 488764), (71, 378620), (110, 244382), (142, 189310), (220, 122191), (284, 94655), (355, 75724), (710, 37862), (781, 34420), (1420, 18931), (1562, 17210), (1721, 15620), (3124, 8605), (3442, 7810), (3905, 6884)]