9981280

素因数分解:

$2^5\times 5^1\times {\mathrm{62383}}^1$

素因数の和:62398

約数の個数: 24

約数和(自身を含む): 23581152

約数和(自身を除く): 13599872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 62383, 124766, 249532, 311915, 499064, 623830, 998128, 1247660, 1996256, 2495320, 4990640, 9981280]

約数ペア:

[(1, 9981280), (2, 4990640), (4, 2495320), (5, 1996256), (8, 1247660), (10, 998128), (16, 623830), (20, 499064), (32, 311915), (40, 249532), (80, 124766), (160, 62383)]