28162701880

素因数分解:

$2^3\times 5^1\times {\mathrm{18679}}^1\times {\mathrm{37693}}^1$

素因数の和:56383

約数の個数: 32

約数和(自身を含む): 63371152800

約数和(自身を除く): 35208450920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 18679, 37358, 37693, 74716, 75386, 93395, 149432, 150772, 186790, 188465, 301544, 373580, 376930, 747160, 753860, 1507720, 704067547, 1408135094, 2816270188, 3520337735, 5632540376, 7040675470, 14081350940, 28162701880]

約数ペア:

[(1, 28162701880), (2, 14081350940), (4, 7040675470), (5, 5632540376), (8, 3520337735), (10, 2816270188), (20, 1408135094), (40, 704067547), (18679, 1507720), (37358, 753860), (37693, 747160), (74716, 376930), (75386, 373580), (93395, 301544), (149432, 188465), (150772, 186790)]