31320320

素因数分解:

$2^8\times 5^1\times {\mathrm{24469}}^1$

素因数の和:24490

約数の個数: 36

約数和(自身を含む): 75025020

約数和(自身を除く): 43704700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 24469, 48938, 97876, 122345, 195752, 244690, 391504, 489380, 783008, 978760, 1566016, 1957520, 3132032, 3915040, 6264064, 7830080, 15660160, 31320320]

約数ペア:

[(1, 31320320), (2, 15660160), (4, 7830080), (5, 6264064), (8, 3915040), (10, 3132032), (16, 1957520), (20, 1566016), (32, 978760), (40, 783008), (64, 489380), (80, 391504), (128, 244690), (160, 195752), (256, 122345), (320, 97876), (640, 48938), (1280, 24469)]