87807080

素因数分解:

$2^3\times 5^1\times {\mathrm{2195177}}^1$

素因数の和:2195188

約数の個数: 16

約数和(自身を含む): 197566020

約数和(自身を除く): 109758940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2195177, 4390354, 8780708, 10975885, 17561416, 21951770, 43903540, 87807080]

約数ペア:

[(1, 87807080), (2, 43903540), (4, 21951770), (5, 17561416), (8, 10975885), (10, 8780708), (20, 4390354), (40, 2195177)]