15488140

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3931}}^1$

素因数の和:4137

約数の個数: 24

約数和(自身を含む): 32698512

約数和(自身を除く): 17210372

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3931, 3940, 7862, 15724, 19655, 39310, 78620, 774407, 1548814, 3097628, 3872035, 7744070, 15488140]

約数ペア:

[(1, 15488140), (2, 7744070), (4, 3872035), (5, 3097628), (10, 1548814), (20, 774407), (197, 78620), (394, 39310), (788, 19655), (985, 15724), (1970, 7862), (3931, 3940)]