90187775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1049}}^1$

素因数の和:1259

約数の個数: 24

約数和(自身を含む): 118482000

約数和(自身を除く): 28294225

約数列:

[1, 5, 19, 25, 95, 181, 475, 905, 1049, 3439, 4525, 5245, 17195, 19931, 26225, 85975, 99655, 189869, 498275, 949345, 3607511, 4746725, 18037555, 90187775]

約数ペア:

[(1, 90187775), (5, 18037555), (19, 4746725), (25, 3607511), (95, 949345), (181, 498275), (475, 189869), (905, 99655), (1049, 85975), (3439, 26225), (4525, 19931), (5245, 17195)]