87262120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{198323}}^1$

素因数の和:198345

約数の個数: 32

約数和(自身を含む): 214189920

約数和(自身を除く): 126927800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 198323, 396646, 793292, 991615, 1586584, 1983230, 2181553, 3966460, 4363106, 7932920, 8726212, 10907765, 17452424, 21815530, 43631060, 87262120]

約数ペア:

[(1, 87262120), (2, 43631060), (4, 21815530), (5, 17452424), (8, 10907765), (10, 8726212), (11, 7932920), (20, 4363106), (22, 3966460), (40, 2181553), (44, 1983230), (55, 1586584), (88, 991615), (110, 793292), (220, 396646), (440, 198323)]