40187720

素因数分解:

$2^3\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1471}}^1$

素因数の和:2165

約数の個数: 32

約数和(自身を含む): 90616320

約数和(自身を除く): 50428600

約数列:

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

約数ペア:

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