80375440

素因数分解:

$2^4\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1471}}^1$

素因数の和:2167

約数の個数: 40

約数和(自身を含む): 187273728

約数和(自身を除く): 106898288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 683, 1366, 1471, 2732, 2942, 3415, 5464, 5884, 6830, 7355, 10928, 11768, 13660, 14710, 23536, 27320, 29420, 54640, 58840, 117680, 1004693, 2009386, 4018772, 5023465, 8037544, 10046930, 16075088, 20093860, 40187720, 80375440]

約数ペア:

[(1, 80375440), (2, 40187720), (4, 20093860), (5, 16075088), (8, 10046930), (10, 8037544), (16, 5023465), (20, 4018772), (40, 2009386), (80, 1004693), (683, 117680), (1366, 58840), (1471, 54640), (2732, 29420), (2942, 27320), (3415, 23536), (5464, 14710), (5884, 13660), (6830, 11768), (7355, 10928)]