123691840

素因数分解:

$2^6\times 5^1\times {\mathrm{386537}}^1$

素因数の和:386554

約数の個数: 28

約数和(自身を含む): 294541956

約数和(自身を除く): 170850116

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 386537, 773074, 1546148, 1932685, 3092296, 3865370, 6184592, 7730740, 12369184, 15461480, 24738368, 30922960, 61845920, 123691840]

約数ペア:

[(1, 123691840), (2, 61845920), (4, 30922960), (5, 24738368), (8, 15461480), (10, 12369184), (16, 7730740), (20, 6184592), (32, 3865370), (40, 3092296), (64, 1932685), (80, 1546148), (160, 773074), (320, 386537)]