86386420

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{9839}}^1$

素因数の和:10287

約数の個数: 24

約数和(自身を含む): 181843200

約数和(自身を除く): 95456780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 9839, 19678, 39356, 49195, 98390, 196780, 4319321, 8638642, 17277284, 21596605, 43193210, 86386420]

約数ペア:

[(1, 86386420), (2, 43193210), (4, 21596605), (5, 17277284), (10, 8638642), (20, 4319321), (439, 196780), (878, 98390), (1756, 49195), (2195, 39356), (4390, 19678), (8780, 9839)]