26314280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15299}}^1$

素因数の和:15353

約数の個数: 32

約数和(自身を含む): 60588000

約数和(自身を除く): 34273720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 15299, 30598, 61196, 76495, 122392, 152990, 305980, 611960, 657857, 1315714, 2631428, 3289285, 5262856, 6578570, 13157140, 26314280]

約数ペア:

[(1, 26314280), (2, 13157140), (4, 6578570), (5, 5262856), (8, 3289285), (10, 2631428), (20, 1315714), (40, 657857), (43, 611960), (86, 305980), (172, 152990), (215, 122392), (344, 76495), (430, 61196), (860, 30598), (1720, 15299)]