204320

素因数分解:

$2^5\times 5^1\times {\mathrm{1277}}^1$

素因数の和:1292

約数の個数: 24

約数和(自身を含む): 483084

約数和(自身を除く): 278764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1277, 2554, 5108, 6385, 10216, 12770, 20432, 25540, 40864, 51080, 102160, 204320]

約数ペア:

[(1, 204320), (2, 102160), (4, 51080), (5, 40864), (8, 25540), (10, 20432), (16, 12770), (20, 10216), (32, 6385), (40, 5108), (80, 2554), (160, 1277)]