4338640

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{281}}^1$

素因数の和:487

約数の個数: 40

約数和(自身を含む): 10175688

約数和(自身を除く): 5837048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 281, 386, 562, 772, 965, 1124, 1405, 1544, 1930, 2248, 2810, 3088, 3860, 4496, 5620, 7720, 11240, 15440, 22480, 54233, 108466, 216932, 271165, 433864, 542330, 867728, 1084660, 2169320, 4338640]

約数ペア:

[(1, 4338640), (2, 2169320), (4, 1084660), (5, 867728), (8, 542330), (10, 433864), (16, 271165), (20, 216932), (40, 108466), (80, 54233), (193, 22480), (281, 15440), (386, 11240), (562, 7720), (772, 5620), (965, 4496), (1124, 3860), (1405, 3088), (1544, 2810), (1930, 2248)]