204564320

素因数分解:

$2^5\times 5^1\times {\mathrm{1278527}}^1$

素因数の和:1278542

約数の個数: 24

約数和(自身を含む): 483283584

約数和(自身を除く): 278719264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1278527, 2557054, 5114108, 6392635, 10228216, 12785270, 20456432, 25570540, 40912864, 51141080, 102282160, 204564320]

約数ペア:

[(1, 204564320), (2, 102282160), (4, 51141080), (5, 40912864), (8, 25570540), (10, 20456432), (16, 12785270), (20, 10228216), (32, 6392635), (40, 5114108), (80, 2557054), (160, 1278527)]