9961040

素因数分解:

$2^4\times 5^1\times {\mathrm{124513}}^1$

素因数の和:124526

約数の個数: 20

約数和(自身を含む): 23159604

約数和(自身を除く): 13198564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124513, 249026, 498052, 622565, 996104, 1245130, 1992208, 2490260, 4980520, 9961040]

約数ペア:

[(1, 9961040), (2, 4980520), (4, 2490260), (5, 1992208), (8, 1245130), (10, 996104), (16, 622565), (20, 498052), (40, 249026), (80, 124513)]