31472240

素因数分解:

$2^4\times 5^1\times {\mathrm{393403}}^1$

素因数の和:393416

約数の個数: 20

約数和(自身を含む): 73173144

約数和(自身を除く): 41700904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 393403, 786806, 1573612, 1967015, 3147224, 3934030, 6294448, 7868060, 15736120, 31472240]

約数ペア:

[(1, 31472240), (2, 15736120), (4, 7868060), (5, 6294448), (8, 3934030), (10, 3147224), (16, 1967015), (20, 1573612), (40, 786806), (80, 393403)]