3875440

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:457

約数の個数: 40

約数和(自身を含む): 9093168

約数和(自身を除く): 5217728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 251, 386, 502, 772, 965, 1004, 1255, 1544, 1930, 2008, 2510, 3088, 3860, 4016, 5020, 7720, 10040, 15440, 20080, 48443, 96886, 193772, 242215, 387544, 484430, 775088, 968860, 1937720, 3875440]

約数ペア:

[(1, 3875440), (2, 1937720), (4, 968860), (5, 775088), (8, 484430), (10, 387544), (16, 242215), (20, 193772), (40, 96886), (80, 48443), (193, 20080), (251, 15440), (386, 10040), (502, 7720), (772, 5020), (965, 4016), (1004, 3860), (1255, 3088), (1544, 2510), (1930, 2008)]