47921890

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{20051}}^1$

素因数の和:20297

約数の個数: 16

約数和(自身を含む): 86624640

約数和(自身を除く): 38702750

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 20051, 40102, 100255, 200510, 4792189, 9584378, 23960945, 47921890]

約数ペア:

[(1, 47921890), (2, 23960945), (5, 9584378), (10, 4792189), (239, 200510), (478, 100255), (1195, 40102), (2390, 20051)]