8890640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10103}}^1$

素因数の和:10127

約数の個数: 40

約数和(自身を含む): 22552128

約数和(自身を除く): 13661488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 10103, 20206, 40412, 50515, 80824, 101030, 111133, 161648, 202060, 222266, 404120, 444532, 555665, 808240, 889064, 1111330, 1778128, 2222660, 4445320, 8890640]

約数ペア:

[(1, 8890640), (2, 4445320), (4, 2222660), (5, 1778128), (8, 1111330), (10, 889064), (11, 808240), (16, 555665), (20, 444532), (22, 404120), (40, 222266), (44, 202060), (55, 161648), (80, 111133), (88, 101030), (110, 80824), (176, 50515), (220, 40412), (440, 20206), (880, 10103)]