394125040

素因数分解:

$2^4\times 5^1\times {\mathrm{4926563}}^1$

素因数の和:4926576

約数の個数: 20

約数和(自身を含む): 916340904

約数和(自身を除く): 522215864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4926563, 9853126, 19706252, 24632815, 39412504, 49265630, 78825008, 98531260, 197062520, 394125040]

約数ペア:

[(1, 394125040), (2, 197062520), (4, 98531260), (5, 78825008), (8, 49265630), (10, 39412504), (16, 24632815), (20, 19706252), (40, 9853126), (80, 4926563)]