68303260

素因数分解:

$2^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{2621}}^1$

素因数の和:3933

約数の個数: 24

約数和(自身を含む): 143601696

約数和(自身を除く): 75298436

約数列:

[1, 2, 4, 5, 10, 20, 1303, 2606, 2621, 5212, 5242, 6515, 10484, 13030, 13105, 26060, 26210, 52420, 3415163, 6830326, 13660652, 17075815, 34151630, 68303260]

約数ペア:

[(1, 68303260), (2, 34151630), (4, 17075815), (5, 13660652), (10, 6830326), (20, 3415163), (1303, 52420), (2606, 26210), (2621, 26060), (5212, 13105), (5242, 13030), (6515, 10484)]