12540400

素因数分解:

$2^4\times 5^2\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:418

約数の個数: 60

約数和(自身を含む): 30513672

約数和(自身を除く): 17973272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 107, 200, 214, 293, 400, 428, 535, 586, 856, 1070, 1172, 1465, 1712, 2140, 2344, 2675, 2930, 4280, 4688, 5350, 5860, 7325, 8560, 10700, 11720, 14650, 21400, 23440, 29300, 31351, 42800, 58600, 62702, 117200, 125404, 156755, 250808, 313510, 501616, 627020, 783775, 1254040, 1567550, 2508080, 3135100, 6270200, 12540400]

約数ペア:

[(1, 12540400), (2, 6270200), (4, 3135100), (5, 2508080), (8, 1567550), (10, 1254040), (16, 783775), (20, 627020), (25, 501616), (40, 313510), (50, 250808), (80, 156755), (100, 125404), (107, 117200), (200, 62702), (214, 58600), (293, 42800), (400, 31351), (428, 29300), (535, 23440), (586, 21400), (856, 14650), (1070, 11720), (1172, 10700), (1465, 8560), (1712, 7325), (2140, 5860), (2344, 5350), (2675, 4688), (2930, 4280)]