87861460

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{10007}}^1$

素因数の和:10455

約数の個数: 24

約数和(自身を含む): 184947840

約数和(自身を除く): 97086380

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 10007, 20014, 40028, 50035, 100070, 200140, 4393073, 8786146, 17572292, 21965365, 43930730, 87861460]

約数ペア:

[(1, 87861460), (2, 43930730), (4, 21965365), (5, 17572292), (10, 8786146), (20, 4393073), (439, 200140), (878, 100070), (1756, 50035), (2195, 40028), (4390, 20014), (8780, 10007)]