20230280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72251}}^1$

素因数の和:72269

約数の個数: 32

約数和(自身を含む): 52021440

約数和(自身を除く): 31791160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72251, 144502, 289004, 361255, 505757, 578008, 722510, 1011514, 1445020, 2023028, 2528785, 2890040, 4046056, 5057570, 10115140, 20230280]

約数ペア:

[(1, 20230280), (2, 10115140), (4, 5057570), (5, 4046056), (7, 2890040), (8, 2528785), (10, 2023028), (14, 1445020), (20, 1011514), (28, 722510), (35, 578008), (40, 505757), (56, 361255), (70, 289004), (140, 144502), (280, 72251)]