28269020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{108727}}^1$

素因数の和:108749

約数の個数: 24

約数和(自身を含む): 63932064

約数和(自身を除く): 35663044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 108727, 217454, 434908, 543635, 1087270, 1413451, 2174540, 2826902, 5653804, 7067255, 14134510, 28269020]

約数ペア:

[(1, 28269020), (2, 14134510), (4, 7067255), (5, 5653804), (10, 2826902), (13, 2174540), (20, 1413451), (26, 1087270), (52, 543635), (65, 434908), (130, 217454), (260, 108727)]