196220720

素因数分解:

$2^4\times 5^1\times {\mathrm{2452759}}^1$

素因数の和:2452772

約数の個数: 20

約数和(自身を含む): 456213360

約数和(自身を除く): 259992640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2452759, 4905518, 9811036, 12263795, 19622072, 24527590, 39244144, 49055180, 98110360, 196220720]

約数ペア:

[(1, 196220720), (2, 98110360), (4, 49055180), (5, 39244144), (8, 24527590), (10, 19622072), (16, 12263795), (20, 9811036), (40, 4905518), (80, 2452759)]