978160

素因数分解:

$2^4\times 5^1\times {\mathrm{12227}}^1$

素因数の和:12240

約数の個数: 20

約数和(自身を含む): 2274408

約数和(自身を除く): 1296248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12227, 24454, 48908, 61135, 97816, 122270, 195632, 244540, 489080, 978160]

約数ペア:

[(1, 978160), (2, 489080), (4, 244540), (5, 195632), (8, 122270), (10, 97816), (16, 61135), (20, 48908), (40, 24454), (80, 12227)]