1254040

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 2857680

約数和(自身を除く): 1603640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 293, 428, 535, 586, 856, 1070, 1172, 1465, 2140, 2344, 2930, 4280, 5860, 11720, 31351, 62702, 125404, 156755, 250808, 313510, 627020, 1254040]

約数ペア:

[(1, 1254040), (2, 627020), (4, 313510), (5, 250808), (8, 156755), (10, 125404), (20, 62702), (40, 31351), (107, 11720), (214, 5860), (293, 4280), (428, 2930), (535, 2344), (586, 2140), (856, 1465), (1070, 1172)]