201808840

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{23911}}^1$

素因数の和:24133

約数の個数: 32

約数和(自身を含む): 456240960

約数和(自身を除く): 254432120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 23911, 47822, 95644, 119555, 191288, 239110, 478220, 956440, 5045221, 10090442, 20180884, 25226105, 40361768, 50452210, 100904420, 201808840]

約数ペア:

[(1, 201808840), (2, 100904420), (4, 50452210), (5, 40361768), (8, 25226105), (10, 20180884), (20, 10090442), (40, 5045221), (211, 956440), (422, 478220), (844, 239110), (1055, 191288), (1688, 119555), (2110, 95644), (4220, 47822), (8440, 23911)]