90873220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{110821}}^1$

素因数の和:110871

約数の個数: 24

約数和(自身を含む): 195490008

約数和(自身を除く): 104616788

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 110821, 221642, 443284, 554105, 1108210, 2216420, 4543661, 9087322, 18174644, 22718305, 45436610, 90873220]

約数ペア:

[(1, 90873220), (2, 45436610), (4, 22718305), (5, 18174644), (10, 9087322), (20, 4543661), (41, 2216420), (82, 1108210), (164, 554105), (205, 443284), (410, 221642), (820, 110821)]