19925080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71161}}^1$

素因数の和:71179

約数の個数: 32

約数和(自身を含む): 51236640

約数和(自身を除く): 31311560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71161, 142322, 284644, 355805, 498127, 569288, 711610, 996254, 1423220, 1992508, 2490635, 2846440, 3985016, 4981270, 9962540, 19925080]

約数ペア:

[(1, 19925080), (2, 9962540), (4, 4981270), (5, 3985016), (7, 2846440), (8, 2490635), (10, 1992508), (14, 1423220), (20, 996254), (28, 711610), (35, 569288), (40, 498127), (56, 355805), (70, 284644), (140, 142322), (280, 71161)]