26817980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{859}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 64727040

約数和(自身を除く): 37909060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 859, 892, 1115, 1561, 1718, 2230, 3122, 3436, 4295, 4460, 6013, 6244, 7805, 8590, 12026, 15610, 17180, 24052, 30065, 31220, 60130, 120260, 191557, 383114, 766228, 957785, 1340899, 1915570, 2681798, 3831140, 5363596, 6704495, 13408990, 26817980]

約数ペア:

[(1, 26817980), (2, 13408990), (4, 6704495), (5, 5363596), (7, 3831140), (10, 2681798), (14, 1915570), (20, 1340899), (28, 957785), (35, 766228), (70, 383114), (140, 191557), (223, 120260), (446, 60130), (859, 31220), (892, 30065), (1115, 24052), (1561, 17180), (1718, 15610), (2230, 12026), (3122, 8590), (3436, 7805), (4295, 6244), (4460, 6013)]