104649520

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1979}}^1$

素因数の和:2653

約数の個数: 40

約数和(自身を含む): 243801360

約数和(自身を除く): 139151840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1322, 1979, 2644, 3305, 3958, 5288, 6610, 7916, 9895, 10576, 13220, 15832, 19790, 26440, 31664, 39580, 52880, 79160, 158320, 1308119, 2616238, 5232476, 6540595, 10464952, 13081190, 20929904, 26162380, 52324760, 104649520]

約数ペア:

[(1, 104649520), (2, 52324760), (4, 26162380), (5, 20929904), (8, 13081190), (10, 10464952), (16, 6540595), (20, 5232476), (40, 2616238), (80, 1308119), (661, 158320), (1322, 79160), (1979, 52880), (2644, 39580), (3305, 31664), (3958, 26440), (5288, 19790), (6610, 15832), (7916, 13220), (9895, 10576)]