9776720

素因数分解:

$2^4\times 5^1\times {\mathrm{122209}}^1$

素因数の和:122222

約数の個数: 20

約数和(自身を含む): 22731060

約数和(自身を除く): 12954340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 122209, 244418, 488836, 611045, 977672, 1222090, 1955344, 2444180, 4888360, 9776720]

約数ペア:

[(1, 9776720), (2, 4888360), (4, 2444180), (5, 1955344), (8, 1222090), (10, 977672), (16, 611045), (20, 488836), (40, 244418), (80, 122209)]