27128860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{389}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 62506080

約数和(自身を除く): 35377220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 317, 389, 634, 778, 1268, 1556, 1585, 1945, 3170, 3487, 3890, 4279, 6340, 6974, 7780, 8558, 13948, 17116, 17435, 21395, 34870, 42790, 69740, 85580, 123313, 246626, 493252, 616565, 1233130, 1356443, 2466260, 2712886, 5425772, 6782215, 13564430, 27128860]

約数ペア:

[(1, 27128860), (2, 13564430), (4, 6782215), (5, 5425772), (10, 2712886), (11, 2466260), (20, 1356443), (22, 1233130), (44, 616565), (55, 493252), (110, 246626), (220, 123313), (317, 85580), (389, 69740), (634, 42790), (778, 34870), (1268, 21395), (1556, 17435), (1585, 17116), (1945, 13948), (3170, 8558), (3487, 7780), (3890, 6974), (4279, 6340)]