198661160

素因数分解:

$2^3\times 5^1\times {\mathrm{4966529}}^1$

素因数の和:4966540

約数の個数: 16

約数和(自身を含む): 446987700

約数和(自身を除く): 248326540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4966529, 9933058, 19866116, 24832645, 39732232, 49665290, 99330580, 198661160]

約数ペア:

[(1, 198661160), (2, 99330580), (4, 49665290), (5, 39732232), (8, 24832645), (10, 19866116), (20, 9933058), (40, 4966529)]