198585080

素因数分解:

$2^3\times 5^1\times {\mathrm{4964627}}^1$

素因数の和:4964638

約数の個数: 16

約数和(自身を含む): 446816520

約数和(自身を除く): 248231440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4964627, 9929254, 19858508, 24823135, 39717016, 49646270, 99292540, 198585080]

約数ペア:

[(1, 198585080), (2, 99292540), (4, 49646270), (5, 39717016), (8, 24823135), (10, 19858508), (20, 9929254), (40, 4964627)]