205587070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1581439}}^1$

素因数の和:1581459

約数の個数: 16

約数和(自身を含む): 398522880

約数和(自身を除く): 192935810

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1581439, 3162878, 7907195, 15814390, 20558707, 41117414, 102793535, 205587070]

約数ペア:

[(1, 205587070), (2, 102793535), (5, 41117414), (10, 20558707), (13, 15814390), (26, 7907195), (65, 3162878), (130, 1581439)]