8947520

素因数分解:

$2^6\times 5^1\times {\mathrm{27961}}^1$

素因数の和:27978

約数の個数: 28

約数和(自身を含む): 21307044

約数和(自身を除く): 12359524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 27961, 55922, 111844, 139805, 223688, 279610, 447376, 559220, 894752, 1118440, 1789504, 2236880, 4473760, 8947520]

約数ペア:

[(1, 8947520), (2, 4473760), (4, 2236880), (5, 1789504), (8, 1118440), (10, 894752), (16, 559220), (20, 447376), (32, 279610), (40, 223688), (64, 139805), (80, 111844), (160, 55922), (320, 27961)]