197195120

素因数分解:

$2^4\times 5^1\times {\mathrm{2464939}}^1$

素因数の和:2464952

約数の個数: 20

約数和(自身を含む): 458478840

約数和(自身を除く): 261283720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2464939, 4929878, 9859756, 12324695, 19719512, 24649390, 39439024, 49298780, 98597560, 197195120]

約数ペア:

[(1, 197195120), (2, 98597560), (4, 49298780), (5, 39439024), (8, 24649390), (10, 19719512), (16, 12324695), (20, 9859756), (40, 4929878), (80, 2464939)]