329021920

素因数分解:

$2^5\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3947}}^1$

素因数の和:4483

約数の個数: 48

約数和(自身を含む): 779003568

約数和(自身を除く): 449981648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 521, 1042, 2084, 2605, 3947, 4168, 5210, 7894, 8336, 10420, 15788, 16672, 19735, 20840, 31576, 39470, 41680, 63152, 78940, 83360, 126304, 157880, 315760, 631520, 2056387, 4112774, 8225548, 10281935, 16451096, 20563870, 32902192, 41127740, 65804384, 82255480, 164510960, 329021920]

約数ペア:

[(1, 329021920), (2, 164510960), (4, 82255480), (5, 65804384), (8, 41127740), (10, 32902192), (16, 20563870), (20, 16451096), (32, 10281935), (40, 8225548), (80, 4112774), (160, 2056387), (521, 631520), (1042, 315760), (2084, 157880), (2605, 126304), (3947, 83360), (4168, 78940), (5210, 63152), (7894, 41680), (8336, 39470), (10420, 31576), (15788, 20840), (16672, 19735)]