27428570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2089}}^1$

素因数の和:2210

約数の個数: 32

約数和(自身を含む): 53721360

約数和(自身を除く): 26292790

約数列:

[1, 2, 5, 10, 13, 26, 65, 101, 130, 202, 505, 1010, 1313, 2089, 2626, 4178, 6565, 10445, 13130, 20890, 27157, 54314, 135785, 210989, 271570, 421978, 1054945, 2109890, 2742857, 5485714, 13714285, 27428570]

約数ペア:

[(1, 27428570), (2, 13714285), (5, 5485714), (10, 2742857), (13, 2109890), (26, 1054945), (65, 421978), (101, 271570), (130, 210989), (202, 135785), (505, 54314), (1010, 27157), (1313, 20890), (2089, 13130), (2626, 10445), (4178, 6565)]