157617080

素因数分解:

$2^3\times 5^1\times {\mathrm{3940427}}^1$

素因数の和:3940438

約数の個数: 16

約数和(自身を含む): 354638520

約数和(自身を除く): 197021440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3940427, 7880854, 15761708, 19702135, 31523416, 39404270, 78808540, 157617080]

約数ペア:

[(1, 157617080), (2, 78808540), (4, 39404270), (5, 31523416), (8, 19702135), (10, 15761708), (20, 7880854), (40, 3940427)]