7872520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2029}}^1$

素因数の和:2137

約数の個数: 32

約数和(自身を含む): 17904600

約数和(自身を除く): 10032080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 2029, 3880, 4058, 8116, 10145, 16232, 20290, 40580, 81160, 196813, 393626, 787252, 984065, 1574504, 1968130, 3936260, 7872520]

約数ペア:

[(1, 7872520), (2, 3936260), (4, 1968130), (5, 1574504), (8, 984065), (10, 787252), (20, 393626), (40, 196813), (97, 81160), (194, 40580), (388, 20290), (485, 16232), (776, 10145), (970, 8116), (1940, 4058), (2029, 3880)]