826611320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{389911}}^1$

素因数の和:389975

約数の個数: 32

約数和(自身を含む): 1894972320

約数和(自身を除く): 1068361000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 389911, 779822, 1559644, 1949555, 3119288, 3899110, 7798220, 15596440, 20665283, 41330566, 82661132, 103326415, 165322264, 206652830, 413305660, 826611320]

約数ペア:

[(1, 826611320), (2, 413305660), (4, 206652830), (5, 165322264), (8, 103326415), (10, 82661132), (20, 41330566), (40, 20665283), (53, 15596440), (106, 7798220), (212, 3899110), (265, 3119288), (424, 1949555), (530, 1559644), (1060, 779822), (2120, 389911)]