195760720

素因数分解:

$2^4\times 5^1\times {\mathrm{2447009}}^1$

素因数の和:2447022

約数の個数: 20

約数和(自身を含む): 455143860

約数和(自身を除く): 259383140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2447009, 4894018, 9788036, 12235045, 19576072, 24470090, 39152144, 48940180, 97880360, 195760720]

約数ペア:

[(1, 195760720), (2, 97880360), (4, 48940180), (5, 39152144), (8, 24470090), (10, 19576072), (16, 12235045), (20, 9788036), (40, 4894018), (80, 2447009)]