828846440

素因数分解:

$2^3\times 5^1\times {\mathrm{20721161}}^1$

素因数の和:20721172

約数の個数: 16

約数和(自身を含む): 1864904580

約数和(自身を除く): 1036058140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 20721161, 41442322, 82884644, 103605805, 165769288, 207211610, 414423220, 828846440]

約数ペア:

[(1, 828846440), (2, 414423220), (4, 207211610), (5, 165769288), (8, 103605805), (10, 82884644), (20, 41442322), (40, 20721161)]