78608960

素因数分解:

$2^6\times 5^1\times {\mathrm{245653}}^1$

素因数の和:245670

約数の個数: 28

約数和(自身を含む): 187188348

約数和(自身を除く): 108579388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 245653, 491306, 982612, 1228265, 1965224, 2456530, 3930448, 4913060, 7860896, 9826120, 15721792, 19652240, 39304480, 78608960]

約数ペア:

[(1, 78608960), (2, 39304480), (4, 19652240), (5, 15721792), (8, 9826120), (10, 7860896), (16, 4913060), (20, 3930448), (32, 2456530), (40, 1965224), (64, 1228265), (80, 982612), (160, 491306), (320, 245653)]