28083380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108013}}^1$

素因数の和:108035

約数の個数: 24

約数和(自身を含む): 63512232

約数和(自身を除く): 35428852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 108013, 216026, 432052, 540065, 1080130, 1404169, 2160260, 2808338, 5616676, 7020845, 14041690, 28083380]

約数ペア:

[(1, 28083380), (2, 14041690), (4, 7020845), (5, 5616676), (10, 2808338), (13, 2160260), (20, 1404169), (26, 1080130), (52, 540065), (65, 432052), (130, 216026), (260, 108013)]