28926140

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{5147}}^1$

素因数の和:5437

約数の個数: 24

約数和(自身を含む): 60972912

約数和(自身を除く): 32046772

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5147, 5620, 10294, 20588, 25735, 51470, 102940, 1446307, 2892614, 5785228, 7231535, 14463070, 28926140]

約数ペア:

[(1, 28926140), (2, 14463070), (4, 7231535), (5, 5785228), (10, 2892614), (20, 1446307), (281, 102940), (562, 51470), (1124, 25735), (1405, 20588), (2810, 10294), (5147, 5620)]