28269560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1367}}^1$

素因数の和:1436

約数の個数: 64

約数和(自身を含む): 70917120

約数和(自身を除く): 42647560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1367, 1880, 2068, 2585, 2734, 4136, 5170, 5468, 6835, 10340, 10936, 13670, 15037, 20680, 27340, 30074, 54680, 60148, 64249, 75185, 120296, 128498, 150370, 256996, 300740, 321245, 513992, 601480, 642490, 706739, 1284980, 1413478, 2569960, 2826956, 3533695, 5653912, 7067390, 14134780, 28269560]

約数ペア:

[(1, 28269560), (2, 14134780), (4, 7067390), (5, 5653912), (8, 3533695), (10, 2826956), (11, 2569960), (20, 1413478), (22, 1284980), (40, 706739), (44, 642490), (47, 601480), (55, 513992), (88, 321245), (94, 300740), (110, 256996), (188, 150370), (220, 128498), (235, 120296), (376, 75185), (440, 64249), (470, 60148), (517, 54680), (940, 30074), (1034, 27340), (1367, 20680), (1880, 15037), (2068, 13670), (2585, 10936), (2734, 10340), (4136, 6835), (5170, 5468)]