674665520

素因数分解:

$2^4\times 5^1\times {\mathrm{8433319}}^1$

素因数の和:8433332

約数の個数: 20

約数和(自身を含む): 1568597520

約数和(自身を除く): 893932000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 8433319, 16866638, 33733276, 42166595, 67466552, 84333190, 134933104, 168666380, 337332760, 674665520]

約数ペア:

[(1, 674665520), (2, 337332760), (4, 168666380), (5, 134933104), (8, 84333190), (10, 67466552), (16, 42166595), (20, 33733276), (40, 16866638), (80, 8433319)]