2782840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2399}}^1$

素因数の和:2439

約数の個数: 32

約数和(自身を含む): 6480000

約数和(自身を除く): 3697160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 2399, 4798, 9596, 11995, 19192, 23990, 47980, 69571, 95960, 139142, 278284, 347855, 556568, 695710, 1391420, 2782840]

約数ペア:

[(1, 2782840), (2, 1391420), (4, 695710), (5, 556568), (8, 347855), (10, 278284), (20, 139142), (29, 95960), (40, 69571), (58, 47980), (116, 23990), (145, 19192), (232, 11995), (290, 9596), (580, 4798), (1160, 2399)]