28772260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130783}}^1$

素因数の和:130803

約数の個数: 24

約数和(自身を含む): 65915136

約数和(自身を除く): 37142876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 130783, 261566, 523132, 653915, 1307830, 1438613, 2615660, 2877226, 5754452, 7193065, 14386130, 28772260]

約数ペア:

[(1, 28772260), (2, 14386130), (4, 7193065), (5, 5754452), (10, 2877226), (11, 2615660), (20, 1438613), (22, 1307830), (44, 653915), (55, 523132), (110, 261566), (220, 130783)]