249566080

素因数分解:

$2^7\times 5^1\times {\mathrm{389947}}^1$

素因数の和:389966

約数の個数: 32

約数和(自身を含む): 596620440

約数和(自身を除く): 347054360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 389947, 779894, 1559788, 1949735, 3119576, 3899470, 6239152, 7798940, 12478304, 15597880, 24956608, 31195760, 49913216, 62391520, 124783040, 249566080]

約数ペア:

[(1, 249566080), (2, 124783040), (4, 62391520), (5, 49913216), (8, 31195760), (10, 24956608), (16, 15597880), (20, 12478304), (32, 7798940), (40, 6239152), (64, 3899470), (80, 3119576), (128, 1949735), (160, 1559788), (320, 779894), (640, 389947)]