2555920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:799

約数の個数: 40

約数和(自身を含む): 6088896

約数和(自身を除く): 3532976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 743, 860, 1486, 1720, 2972, 3440, 3715, 5944, 7430, 11888, 14860, 29720, 31949, 59440, 63898, 127796, 159745, 255592, 319490, 511184, 638980, 1277960, 2555920]

約数ペア:

[(1, 2555920), (2, 1277960), (4, 638980), (5, 511184), (8, 319490), (10, 255592), (16, 159745), (20, 127796), (40, 63898), (43, 59440), (80, 31949), (86, 29720), (172, 14860), (215, 11888), (344, 7430), (430, 5944), (688, 3715), (743, 3440), (860, 2972), (1486, 1720)]