314480

素因数分解:

$2^4\times 5^1\times {\mathrm{3931}}^1$

素因数の和:3944

約数の個数: 20

約数和(自身を含む): 731352

約数和(自身を除く): 416872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3931, 7862, 15724, 19655, 31448, 39310, 62896, 78620, 157240, 314480]

約数ペア:

[(1, 314480), (2, 157240), (4, 78620), (5, 62896), (8, 39310), (10, 31448), (16, 19655), (20, 15724), (40, 7862), (80, 3931)]