39363920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11443}}^1$

素因数の和:11499

約数の個数: 40

約数和(自身を含む): 93657696

約数和(自身を除く): 54293776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 11443, 22886, 45772, 57215, 91544, 114430, 183088, 228860, 457720, 492049, 915440, 984098, 1968196, 2460245, 3936392, 4920490, 7872784, 9840980, 19681960, 39363920]

約数ペア:

[(1, 39363920), (2, 19681960), (4, 9840980), (5, 7872784), (8, 4920490), (10, 3936392), (16, 2460245), (20, 1968196), (40, 984098), (43, 915440), (80, 492049), (86, 457720), (172, 228860), (215, 183088), (344, 114430), (430, 91544), (688, 57215), (860, 45772), (1720, 22886), (3440, 11443)]