38918320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{69497}}^1$

素因数の和:69517

約数の個数: 40

約数和(自身を含む): 103413024

約数和(自身を除く): 64494704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 69497, 138994, 277988, 347485, 486479, 555976, 694970, 972958, 1111952, 1389940, 1945916, 2432395, 2779880, 3891832, 4864790, 5559760, 7783664, 9729580, 19459160, 38918320]

約数ペア:

[(1, 38918320), (2, 19459160), (4, 9729580), (5, 7783664), (7, 5559760), (8, 4864790), (10, 3891832), (14, 2779880), (16, 2432395), (20, 1945916), (28, 1389940), (35, 1111952), (40, 972958), (56, 694970), (70, 555976), (80, 486479), (112, 347485), (140, 277988), (280, 138994), (560, 69497)]