90504880

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 216548640

約数和(自身を除く): 126043760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 107, 109, 194, 214, 218, 388, 428, 436, 485, 535, 545, 776, 856, 872, 970, 1070, 1090, 1552, 1712, 1744, 1940, 2140, 2180, 3880, 4280, 4360, 7760, 8560, 8720, 10379, 10573, 11663, 20758, 21146, 23326, 41516, 42292, 46652, 51895, 52865, 58315, 83032, 84584, 93304, 103790, 105730, 116630, 166064, 169168, 186608, 207580, 211460, 233260, 415160, 422920, 466520, 830320, 845840, 933040, 1131311, 2262622, 4525244, 5656555, 9050488, 11313110, 18100976, 22626220, 45252440, 90504880]

約数ペア:

[(1, 90504880), (2, 45252440), (4, 22626220), (5, 18100976), (8, 11313110), (10, 9050488), (16, 5656555), (20, 4525244), (40, 2262622), (80, 1131311), (97, 933040), (107, 845840), (109, 830320), (194, 466520), (214, 422920), (218, 415160), (388, 233260), (428, 211460), (436, 207580), (485, 186608), (535, 169168), (545, 166064), (776, 116630), (856, 105730), (872, 103790), (970, 93304), (1070, 84584), (1090, 83032), (1552, 58315), (1712, 52865), (1744, 51895), (1940, 46652), (2140, 42292), (2180, 41516), (3880, 23326), (4280, 21146), (4360, 20758), (7760, 11663), (8560, 10573), (8720, 10379)]