8260520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2129}}^1$

素因数の和:2237

約数の個数: 32

約数和(自身を含む): 18786600

約数和(自身を除く): 10526080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 2129, 3880, 4258, 8516, 10645, 17032, 21290, 42580, 85160, 206513, 413026, 826052, 1032565, 1652104, 2065130, 4130260, 8260520]

約数ペア:

[(1, 8260520), (2, 4130260), (4, 2065130), (5, 1652104), (8, 1032565), (10, 826052), (20, 413026), (40, 206513), (97, 85160), (194, 42580), (388, 21290), (485, 17032), (776, 10645), (970, 8516), (1940, 4258), (2129, 3880)]