134971120

素因数分解:

$2^4\times 5^1\times {\mathrm{1687139}}^1$

素因数の和:1687152

約数の個数: 20

約数和(自身を含む): 313808040

約数和(自身を除く): 178836920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1687139, 3374278, 6748556, 8435695, 13497112, 16871390, 26994224, 33742780, 67485560, 134971120]

約数ペア:

[(1, 134971120), (2, 67485560), (4, 33742780), (5, 26994224), (8, 16871390), (10, 13497112), (16, 8435695), (20, 6748556), (40, 3374278), (80, 1687139)]