199099640

素因数分解:

$2^3\times 5^1\times {\mathrm{4977491}}^1$

素因数の和:4977502

約数の個数: 16

約数和(自身を含む): 447974280

約数和(自身を除く): 248874640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4977491, 9954982, 19909964, 24887455, 39819928, 49774910, 99549820, 199099640]

約数ペア:

[(1, 199099640), (2, 99549820), (4, 49774910), (5, 39819928), (8, 24887455), (10, 19909964), (20, 9954982), (40, 4977491)]