56577680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16447}}^1$

素因数の和:16503

約数の個数: 40

約数和(自身を含む): 134610432

約数和(自身を除く): 78032752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 16447, 32894, 65788, 82235, 131576, 164470, 263152, 328940, 657880, 707221, 1315760, 1414442, 2828884, 3536105, 5657768, 7072210, 11315536, 14144420, 28288840, 56577680]

約数ペア:

[(1, 56577680), (2, 28288840), (4, 14144420), (5, 11315536), (8, 7072210), (10, 5657768), (16, 3536105), (20, 2828884), (40, 1414442), (43, 1315760), (80, 707221), (86, 657880), (172, 328940), (215, 263152), (344, 164470), (430, 131576), (688, 82235), (860, 65788), (1720, 32894), (3440, 16447)]