28184260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108401}}^1$

素因数の和:108423

約数の個数: 24

約数和(自身を含む): 63740376

約数和(自身を除く): 35556116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 108401, 216802, 433604, 542005, 1084010, 1409213, 2168020, 2818426, 5636852, 7046065, 14092130, 28184260]

約数ペア:

[(1, 28184260), (2, 14092130), (4, 7046065), (5, 5636852), (10, 2818426), (13, 2168020), (20, 1409213), (26, 1084010), (52, 542005), (65, 433604), (130, 216802), (260, 108401)]