127915240

素因数分解:

$2^3\times 5^1\times {\mathrm{3197881}}^1$

素因数の和:3197892

約数の個数: 16

約数和(自身を含む): 287809380

約数和(自身を除く): 159894140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3197881, 6395762, 12791524, 15989405, 25583048, 31978810, 63957620, 127915240]

約数ペア:

[(1, 127915240), (2, 63957620), (4, 31978810), (5, 25583048), (8, 15989405), (10, 12791524), (20, 6395762), (40, 3197881)]