27199880

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1051}}^1$

素因数の和:1709

約数の個数: 32

約数和(自身を含む): 61352640

約数和(自身を除く): 34152760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1051, 1294, 2102, 2588, 3235, 4204, 5176, 5255, 6470, 8408, 10510, 12940, 21020, 25880, 42040, 679997, 1359994, 2719988, 3399985, 5439976, 6799970, 13599940, 27199880]

約数ペア:

[(1, 27199880), (2, 13599940), (4, 6799970), (5, 5439976), (8, 3399985), (10, 2719988), (20, 1359994), (40, 679997), (647, 42040), (1051, 25880), (1294, 21020), (2102, 12940), (2588, 10510), (3235, 8408), (4204, 6470), (5176, 5255)]