87481580

素因数分解:

$2^2\times 5^1\times {\mathrm{4374079}}^1$

素因数の和:4374088

約数の個数: 12

約数和(自身を含む): 183711360

約数和(自身を除く): 96229780

約数列:

[1, 2, 4, 5, 10, 20, 4374079, 8748158, 17496316, 21870395, 43740790, 87481580]

約数ペア:

[(1, 87481580), (2, 43740790), (4, 21870395), (5, 17496316), (10, 8748158), (20, 4374079)]