27828680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{63247}}^1$

素因数の和:63269

約数の個数: 32

約数和(自身を含む): 68307840

約数和(自身を除く): 40479160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 63247, 126494, 252988, 316235, 505976, 632470, 695717, 1264940, 1391434, 2529880, 2782868, 3478585, 5565736, 6957170, 13914340, 27828680]

約数ペア:

[(1, 27828680), (2, 13914340), (4, 6957170), (5, 5565736), (8, 3478585), (10, 2782868), (11, 2529880), (20, 1391434), (22, 1264940), (40, 695717), (44, 632470), (55, 505976), (88, 316235), (110, 252988), (220, 126494), (440, 63247)]