87208760

素因数分解:

$2^3\times 5^1\times {\mathrm{2180219}}^1$

素因数の和:2180230

約数の個数: 16

約数和(自身を含む): 196219800

約数和(自身を除く): 109011040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2180219, 4360438, 8720876, 10901095, 17441752, 21802190, 43604380, 87208760]

約数ペア:

[(1, 87208760), (2, 43604380), (4, 21802190), (5, 17441752), (8, 10901095), (10, 8720876), (20, 4360438), (40, 2180219)]