40552138

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 68040000

約数和(自身を除く): 27487862

約数列:

[1, 2, 11, 22, 89, 139, 149, 178, 278, 298, 979, 1529, 1639, 1958, 3058, 3278, 12371, 13261, 20711, 24742, 26522, 41422, 136081, 145871, 227821, 272162, 291742, 455642, 1843279, 3686558, 20276069, 40552138]

約数ペア:

[(1, 40552138), (2, 20276069), (11, 3686558), (22, 1843279), (89, 455642), (139, 291742), (149, 272162), (178, 227821), (278, 145871), (298, 136081), (979, 41422), (1529, 26522), (1639, 24742), (1958, 20711), (3058, 13261), (3278, 12371)]