38863313660

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1960813}}^1$

素因数の和:1961813

約数の個数: 24

約数和(自身を含む): 81695354496

約数和(自身を除く): 42832040836

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 9910, 19820, 1960813, 3921626, 7843252, 9804065, 19608130, 39216260, 1943165683, 3886331366, 7772662732, 9715828415, 19431656830, 38863313660]

約数ペア:

[(1, 38863313660), (2, 19431656830), (4, 9715828415), (5, 7772662732), (10, 3886331366), (20, 1943165683), (991, 39216260), (1982, 19608130), (3964, 9804065), (4955, 7843252), (9910, 3921626), (19820, 1960813)]