26142560

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1499}}^1$

素因数の和:1623

約数の個数: 48

約数和(自身を含む): 62370000

約数和(自身を除く): 36227440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1499, 1744, 2180, 2998, 3488, 4360, 5996, 7495, 8720, 11992, 14990, 17440, 23984, 29980, 47968, 59960, 119920, 163391, 239840, 326782, 653564, 816955, 1307128, 1633910, 2614256, 3267820, 5228512, 6535640, 13071280, 26142560]

約数ペア:

[(1, 26142560), (2, 13071280), (4, 6535640), (5, 5228512), (8, 3267820), (10, 2614256), (16, 1633910), (20, 1307128), (32, 816955), (40, 653564), (80, 326782), (109, 239840), (160, 163391), (218, 119920), (436, 59960), (545, 47968), (872, 29980), (1090, 23984), (1499, 17440), (1744, 14990), (2180, 11992), (2998, 8720), (3488, 7495), (4360, 5996)]