42489490

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{47741}}^1$

素因数の和:47837

約数の個数: 16

約数和(自身を含む): 77342040

約数和(自身を除く): 34852550

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 47741, 95482, 238705, 477410, 4248949, 8497898, 21244745, 42489490]

約数ペア:

[(1, 42489490), (2, 21244745), (5, 8497898), (10, 4248949), (89, 477410), (178, 238705), (445, 95482), (890, 47741)]