22711480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 33897800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 727, 781, 1420, 1454, 1562, 2840, 2908, 3124, 3635, 3905, 5816, 6248, 7270, 7810, 7997, 14540, 15620, 15994, 29080, 31240, 31988, 39985, 51617, 63976, 79970, 103234, 159940, 206468, 258085, 319880, 412936, 516170, 567787, 1032340, 1135574, 2064680, 2271148, 2838935, 4542296, 5677870, 11355740, 22711480]

約数ペア:

[(1, 22711480), (2, 11355740), (4, 5677870), (5, 4542296), (8, 2838935), (10, 2271148), (11, 2064680), (20, 1135574), (22, 1032340), (40, 567787), (44, 516170), (55, 412936), (71, 319880), (88, 258085), (110, 206468), (142, 159940), (220, 103234), (284, 79970), (355, 63976), (440, 51617), (568, 39985), (710, 31988), (727, 31240), (781, 29080), (1420, 15994), (1454, 15620), (1562, 14540), (2840, 7997), (2908, 7810), (3124, 7270), (3635, 6248), (3905, 5816)]