263750260

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{248821}}^1$

素因数の和:248883

約数の個数: 24

約数和(自身を含む): 564328296

約数和(自身を除く): 300578036

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 248821, 497642, 995284, 1244105, 2488210, 4976420, 13187513, 26375026, 52750052, 65937565, 131875130, 263750260]

約数ペア:

[(1, 263750260), (2, 131875130), (4, 65937565), (5, 52750052), (10, 26375026), (20, 13187513), (53, 4976420), (106, 2488210), (212, 1244105), (265, 995284), (530, 497642), (1060, 248821)]