90921160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{206639}}^1$

素因数の和:206661

約数の個数: 32

約数和(自身を含む): 223171200

約数和(自身を除く): 132250040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 206639, 413278, 826556, 1033195, 1653112, 2066390, 2273029, 4132780, 4546058, 8265560, 9092116, 11365145, 18184232, 22730290, 45460580, 90921160]

約数ペア:

[(1, 90921160), (2, 45460580), (4, 22730290), (5, 18184232), (8, 11365145), (10, 9092116), (11, 8265560), (20, 4546058), (22, 4132780), (40, 2273029), (44, 2066390), (55, 1653112), (88, 1033195), (110, 826556), (220, 413278), (440, 206639)]