86555660

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{6689}}^1$

素因数の和:7345

約数の個数: 24

約数和(自身を含む): 182075040

約数和(自身を除く): 95519380

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 2588, 3235, 6470, 6689, 12940, 13378, 26756, 33445, 66890, 133780, 4327783, 8655566, 17311132, 21638915, 43277830, 86555660]

約数ペア:

[(1, 86555660), (2, 43277830), (4, 21638915), (5, 17311132), (10, 8655566), (20, 4327783), (647, 133780), (1294, 66890), (2588, 33445), (3235, 26756), (6470, 13378), (6689, 12940)]