87808040

素因数分解:

$2^3\times 5^1\times {\mathrm{2195201}}^1$

素因数の和:2195212

約数の個数: 16

約数和(自身を含む): 197568180

約数和(自身を除く): 109760140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2195201, 4390402, 8780804, 10976005, 17561608, 21952010, 43904020, 87808040]

約数ペア:

[(1, 87808040), (2, 43904020), (4, 21952010), (5, 17561608), (8, 10976005), (10, 8780804), (20, 4390402), (40, 2195201)]