413144320

素因数分解:

$2^8\times 5^1\times {\mathrm{322769}}^1$

素因数の和:322790

約数の個数: 36

約数和(自身を含む): 989612820

約数和(自身を除く): 576468500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 322769, 645538, 1291076, 1613845, 2582152, 3227690, 5164304, 6455380, 10328608, 12910760, 20657216, 25821520, 41314432, 51643040, 82628864, 103286080, 206572160, 413144320]

約数ペア:

[(1, 413144320), (2, 206572160), (4, 103286080), (5, 82628864), (8, 51643040), (10, 41314432), (16, 25821520), (20, 20657216), (32, 12910760), (40, 10328608), (64, 6455380), (80, 5164304), (128, 3227690), (160, 2582152), (256, 1613845), (320, 1291076), (640, 645538), (1280, 322769)]