198213160

素因数分解:

$2^3\times 5^1\times {\mathrm{4955329}}^1$

素因数の和:4955340

約数の個数: 16

約数和(自身を含む): 445979700

約数和(自身を除く): 247766540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4955329, 9910658, 19821316, 24776645, 39642632, 49553290, 99106580, 198213160]

約数ペア:

[(1, 198213160), (2, 99106580), (4, 49553290), (5, 39642632), (8, 24776645), (10, 19821316), (20, 9910658), (40, 4955329)]