9785680

素因数分解:

$2^4\times 5^1\times {\mathrm{122321}}^1$

素因数の和:122334

約数の個数: 20

約数和(自身を含む): 22751892

約数和(自身を除く): 12966212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 122321, 244642, 489284, 611605, 978568, 1223210, 1957136, 2446420, 4892840, 9785680]

約数ペア:

[(1, 9785680), (2, 4892840), (4, 2446420), (5, 1957136), (8, 1223210), (10, 978568), (16, 611605), (20, 489284), (40, 244642), (80, 122321)]