87879020

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{10009}}^1$

素因数の和:10457

約数の個数: 24

約数和(自身を含む): 184984800

約数和(自身を除く): 97105780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 10009, 20018, 40036, 50045, 100090, 200180, 4393951, 8787902, 17575804, 21969755, 43939510, 87879020]

約数ペア:

[(1, 87879020), (2, 43939510), (4, 21969755), (5, 17575804), (10, 8787902), (20, 4393951), (439, 200180), (878, 100090), (1756, 50045), (2195, 40036), (4390, 20018), (8780, 10009)]