8478520

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1669}}^1$

素因数の和:1807

約数の個数: 32

約数和(自身を含む): 19238400

約数和(自身を除く): 10759880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 1669, 2540, 3338, 5080, 6676, 8345, 13352, 16690, 33380, 66760, 211963, 423926, 847852, 1059815, 1695704, 2119630, 4239260, 8478520]

約数ペア:

[(1, 8478520), (2, 4239260), (4, 2119630), (5, 1695704), (8, 1059815), (10, 847852), (20, 423926), (40, 211963), (127, 66760), (254, 33380), (508, 16690), (635, 13352), (1016, 8345), (1270, 6676), (1669, 5080), (2540, 3338)]