77247080

素因数分解:

$2^3\times 5^1\times {\mathrm{1931177}}^1$

素因数の和:1931188

約数の個数: 16

約数和(自身を含む): 173806020

約数和(自身を除く): 96558940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1931177, 3862354, 7724708, 9655885, 15449416, 19311770, 38623540, 77247080]

約数ペア:

[(1, 77247080), (2, 38623540), (4, 19311770), (5, 15449416), (8, 9655885), (10, 7724708), (20, 3862354), (40, 1931177)]