197154520

素因数分解:

$2^3\times 5^1\times {\mathrm{4928863}}^1$

素因数の和:4928874

約数の個数: 16

約数和(自身を含む): 443597760

約数和(自身を除く): 246443240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4928863, 9857726, 19715452, 24644315, 39430904, 49288630, 98577260, 197154520]

約数ペア:

[(1, 197154520), (2, 98577260), (4, 49288630), (5, 39430904), (8, 24644315), (10, 19715452), (20, 9857726), (40, 4928863)]