13464440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 33592320

約数和(自身を除く): 20127880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 431, 440, 568, 710, 781, 862, 1420, 1562, 1724, 2155, 2840, 3124, 3448, 3905, 4310, 4741, 6248, 7810, 8620, 9482, 15620, 17240, 18964, 23705, 30601, 31240, 37928, 47410, 61202, 94820, 122404, 153005, 189640, 244808, 306010, 336611, 612020, 673222, 1224040, 1346444, 1683055, 2692888, 3366110, 6732220, 13464440]

約数ペア:

[(1, 13464440), (2, 6732220), (4, 3366110), (5, 2692888), (8, 1683055), (10, 1346444), (11, 1224040), (20, 673222), (22, 612020), (40, 336611), (44, 306010), (55, 244808), (71, 189640), (88, 153005), (110, 122404), (142, 94820), (220, 61202), (284, 47410), (355, 37928), (431, 31240), (440, 30601), (568, 23705), (710, 18964), (781, 17240), (862, 15620), (1420, 9482), (1562, 8620), (1724, 7810), (2155, 6248), (2840, 4741), (3124, 4310), (3448, 3905)]