12899380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49613}}^1$

素因数の和:49635

約数の個数: 24

約数和(自身を含む): 29173032

約数和(自身を除く): 16273652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 49613, 99226, 198452, 248065, 496130, 644969, 992260, 1289938, 2579876, 3224845, 6449690, 12899380]

約数ペア:

[(1, 12899380), (2, 6449690), (4, 3224845), (5, 2579876), (10, 1289938), (13, 992260), (20, 644969), (26, 496130), (52, 248065), (65, 198452), (130, 99226), (260, 49613)]