27785120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15787}}^1$

素因数の和:15813

約数の個数: 48

約数和(自身を含む): 71614368

約数和(自身を除く): 43829248

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 15787, 31574, 63148, 78935, 126296, 157870, 173657, 252592, 315740, 347314, 505184, 631480, 694628, 868285, 1262960, 1389256, 1736570, 2525920, 2778512, 3473140, 5557024, 6946280, 13892560, 27785120]

約数ペア:

[(1, 27785120), (2, 13892560), (4, 6946280), (5, 5557024), (8, 3473140), (10, 2778512), (11, 2525920), (16, 1736570), (20, 1389256), (22, 1262960), (32, 868285), (40, 694628), (44, 631480), (55, 505184), (80, 347314), (88, 315740), (110, 252592), (160, 173657), (176, 157870), (220, 126296), (352, 78935), (440, 63148), (880, 31574), (1760, 15787)]