69688120

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{6779}}^1$

素因数の和:7047

約数の個数: 32

約数和(自身を含む): 157431600

約数和(自身を除く): 87743480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 6779, 10280, 13558, 27116, 33895, 54232, 67790, 135580, 271160, 1742203, 3484406, 6968812, 8711015, 13937624, 17422030, 34844060, 69688120]

約数ペア:

[(1, 69688120), (2, 34844060), (4, 17422030), (5, 13937624), (8, 8711015), (10, 6968812), (20, 3484406), (40, 1742203), (257, 271160), (514, 135580), (1028, 67790), (1285, 54232), (2056, 33895), (2570, 27116), (5140, 13558), (6779, 10280)]