196336720

素因数分解:

$2^4\times 5^1\times {\mathrm{2454209}}^1$

素因数の和:2454222

約数の個数: 20

約数和(自身を含む): 456483060

約数和(自身を除く): 260146340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2454209, 4908418, 9816836, 12271045, 19633672, 24542090, 39267344, 49084180, 98168360, 196336720]

約数ペア:

[(1, 196336720), (2, 98168360), (4, 49084180), (5, 39267344), (8, 24542090), (10, 19633672), (16, 12271045), (20, 9816836), (40, 4908418), (80, 2454209)]