9856720

素因数分解:

$2^4\times 5^1\times {\mathrm{123209}}^1$

素因数の和:123222

約数の個数: 20

約数和(自身を含む): 22917060

約数和(自身を除く): 13060340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 123209, 246418, 492836, 616045, 985672, 1232090, 1971344, 2464180, 4928360, 9856720]

約数ペア:

[(1, 9856720), (2, 4928360), (4, 2464180), (5, 1971344), (8, 1232090), (10, 985672), (16, 616045), (20, 492836), (40, 246418), (80, 123209)]