12453920

素因数分解:

$2^5\times 5^1\times {\mathrm{277}}^1\times {\mathrm{281}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 29633688

約数和(自身を除く): 17179768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 277, 281, 554, 562, 1108, 1124, 1385, 1405, 2216, 2248, 2770, 2810, 4432, 4496, 5540, 5620, 8864, 8992, 11080, 11240, 22160, 22480, 44320, 44960, 77837, 155674, 311348, 389185, 622696, 778370, 1245392, 1556740, 2490784, 3113480, 6226960, 12453920]

約数ペア:

[(1, 12453920), (2, 6226960), (4, 3113480), (5, 2490784), (8, 1556740), (10, 1245392), (16, 778370), (20, 622696), (32, 389185), (40, 311348), (80, 155674), (160, 77837), (277, 44960), (281, 44320), (554, 22480), (562, 22160), (1108, 11240), (1124, 11080), (1385, 8992), (1405, 8864), (2216, 5620), (2248, 5540), (2770, 4496), (2810, 4432)]