86902420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3911}}^1$

素因数の和:4032

約数の個数: 48

約数和(自身を含む): 201108096

約数和(自身を除く): 114205676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 3911, 4444, 5555, 7822, 11110, 15644, 19555, 22220, 39110, 43021, 78220, 86042, 172084, 215105, 395011, 430210, 790022, 860420, 1580044, 1975055, 3950110, 4345121, 7900220, 8690242, 17380484, 21725605, 43451210, 86902420]

約数ペア:

[(1, 86902420), (2, 43451210), (4, 21725605), (5, 17380484), (10, 8690242), (11, 7900220), (20, 4345121), (22, 3950110), (44, 1975055), (55, 1580044), (101, 860420), (110, 790022), (202, 430210), (220, 395011), (404, 215105), (505, 172084), (1010, 86042), (1111, 78220), (2020, 43021), (2222, 39110), (3911, 22220), (4444, 19555), (5555, 15644), (7822, 11110)]