1285458890

素因数分解:

$2^1\times 5^1\times {\mathrm{5171}}^1\times {\mathrm{24859}}^1$

素因数の和:30037

約数の個数: 16

約数和(自身を含む): 2314366560

約数和(自身を除く): 1028907670

約数列:

[1, 2, 5, 10, 5171, 10342, 24859, 25855, 49718, 51710, 124295, 248590, 128545889, 257091778, 642729445, 1285458890]

約数ペア:

[(1, 1285458890), (2, 642729445), (5, 257091778), (10, 128545889), (5171, 248590), (10342, 124295), (24859, 51710), (25855, 49718)]