26772680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:950

約数の個数: 64

約数和(自身を含む): 66718080

約数和(自身を除く): 39945400

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, 781, 857, 1420, 1562, 1714, 2840, 3124, 3428, 3905, 4285, 6248, 6856, 7810, 8570, 9427, 15620, 17140, 18854, 31240, 34280, 37708, 47135, 60847, 75416, 94270, 121694, 188540, 243388, 304235, 377080, 486776, 608470, 669317, 1216940, 1338634, 2433880, 2677268, 3346585, 5354536, 6693170, 13386340, 26772680]

約数ペア:

[(1, 26772680), (2, 13386340), (4, 6693170), (5, 5354536), (8, 3346585), (10, 2677268), (11, 2433880), (20, 1338634), (22, 1216940), (40, 669317), (44, 608470), (55, 486776), (71, 377080), (88, 304235), (110, 243388), (142, 188540), (220, 121694), (284, 94270), (355, 75416), (440, 60847), (568, 47135), (710, 37708), (781, 34280), (857, 31240), (1420, 18854), (1562, 17140), (1714, 15620), (2840, 9427), (3124, 8570), (3428, 7810), (3905, 6856), (4285, 6248)]