28084550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43207}}^1$

素因数の和:43232

約数の個数: 24

約数和(自身を含む): 56256816

約数和(自身を除く): 28172266

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 43207, 86414, 216035, 432070, 561691, 1080175, 1123382, 2160350, 2808455, 5616910, 14042275, 28084550]

約数ペア:

[(1, 28084550), (2, 14042275), (5, 5616910), (10, 2808455), (13, 2160350), (25, 1123382), (26, 1080175), (50, 561691), (65, 432070), (130, 216035), (325, 86414), (650, 43207)]