1585840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:517

約数の個数: 40

約数和(自身を含む): 3781008

約数和(自身を除く): 2195168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 461, 688, 860, 922, 1720, 1844, 2305, 3440, 3688, 4610, 7376, 9220, 18440, 19823, 36880, 39646, 79292, 99115, 158584, 198230, 317168, 396460, 792920, 1585840]

約数ペア:

[(1, 1585840), (2, 792920), (4, 396460), (5, 317168), (8, 198230), (10, 158584), (16, 99115), (20, 79292), (40, 39646), (43, 36880), (80, 19823), (86, 18440), (172, 9220), (215, 7376), (344, 4610), (430, 3688), (461, 3440), (688, 2305), (860, 1844), (922, 1720)]