9779920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2843}}^1$

素因数の和:2899

約数の個数: 40

約数和(自身を含む): 23275296

約数和(自身を除く): 13495376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2843, 3440, 5686, 11372, 14215, 22744, 28430, 45488, 56860, 113720, 122249, 227440, 244498, 488996, 611245, 977992, 1222490, 1955984, 2444980, 4889960, 9779920]

約数ペア:

[(1, 9779920), (2, 4889960), (4, 2444980), (5, 1955984), (8, 1222490), (10, 977992), (16, 611245), (20, 488996), (40, 244498), (43, 227440), (80, 122249), (86, 113720), (172, 56860), (215, 45488), (344, 28430), (430, 22744), (688, 14215), (860, 11372), (1720, 5686), (2843, 3440)]