7678520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1979}}^1$

素因数の和:2087

約数の個数: 32

約数和(自身を含む): 17463600

約数和(自身を除く): 9785080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 1979, 3880, 3958, 7916, 9895, 15832, 19790, 39580, 79160, 191963, 383926, 767852, 959815, 1535704, 1919630, 3839260, 7678520]

約数ペア:

[(1, 7678520), (2, 3839260), (4, 1919630), (5, 1535704), (8, 959815), (10, 767852), (20, 383926), (40, 191963), (97, 79160), (194, 39580), (388, 19790), (485, 15832), (776, 9895), (970, 7916), (1940, 3958), (1979, 3880)]