128668810

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{192043}}^1$

素因数の和:192117

約数の個数: 16

約数和(自身を含む): 235061856

約数和(自身を除く): 106393046

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 192043, 384086, 960215, 1920430, 12866881, 25733762, 64334405, 128668810]

約数ペア:

[(1, 128668810), (2, 64334405), (5, 25733762), (10, 12866881), (67, 1920430), (134, 960215), (335, 384086), (670, 192043)]