327950080

素因数分解:

$2^8\times 5^1\times {\mathrm{256211}}^1$

素因数の和:256232

約数の個数: 36

約数和(自身を含む): 785545992

約数和(自身を除く): 457595912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 256211, 512422, 1024844, 1281055, 2049688, 2562110, 4099376, 5124220, 8198752, 10248440, 16397504, 20496880, 32795008, 40993760, 65590016, 81987520, 163975040, 327950080]

約数ペア:

[(1, 327950080), (2, 163975040), (4, 81987520), (5, 65590016), (8, 40993760), (10, 32795008), (16, 20496880), (20, 16397504), (32, 10248440), (40, 8198752), (64, 5124220), (80, 4099376), (128, 2562110), (160, 2049688), (256, 1281055), (320, 1024844), (640, 512422), (1280, 256211)]