28417280

素因数分解:

$2^8\times 5^1\times {\mathrm{149}}^2$

素因数の和:319

約数の個数: 54

約数和(自身を含む): 68528166

約数和(自身を除く): 40110886

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 149, 160, 256, 298, 320, 596, 640, 745, 1192, 1280, 1490, 2384, 2980, 4768, 5960, 9536, 11920, 19072, 22201, 23840, 38144, 44402, 47680, 88804, 95360, 111005, 177608, 190720, 222010, 355216, 444020, 710432, 888040, 1420864, 1776080, 2841728, 3552160, 5683456, 7104320, 14208640, 28417280]

約数ペア:

[(1, 28417280), (2, 14208640), (4, 7104320), (5, 5683456), (8, 3552160), (10, 2841728), (16, 1776080), (20, 1420864), (32, 888040), (40, 710432), (64, 444020), (80, 355216), (128, 222010), (149, 190720), (160, 177608), (256, 111005), (298, 95360), (320, 88804), (596, 47680), (640, 44402), (745, 38144), (1192, 23840), (1280, 22201), (1490, 19072), (2384, 11920), (2980, 9536), (4768, 5960)]