264972020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{308107}}^1$

素因数の和:308159

約数の個数: 24

約数和(自身を含む): 569383584

約数和(自身を除く): 304411564

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 308107, 616214, 1232428, 1540535, 3081070, 6162140, 13248601, 26497202, 52994404, 66243005, 132486010, 264972020]

約数ペア:

[(1, 264972020), (2, 132486010), (4, 66243005), (5, 52994404), (10, 26497202), (20, 13248601), (43, 6162140), (86, 3081070), (172, 1540535), (215, 1232428), (430, 616214), (860, 308107)]