65142820

素因数分解:

$2^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{3929}}^1$

素因数の和:4767

約数の個数: 24

約数和(自身を含む): 136999800

約数和(自身を除く): 71856980

約数列:

[1, 2, 4, 5, 10, 20, 829, 1658, 3316, 3929, 4145, 7858, 8290, 15716, 16580, 19645, 39290, 78580, 3257141, 6514282, 13028564, 16285705, 32571410, 65142820]

約数ペア:

[(1, 65142820), (2, 32571410), (4, 16285705), (5, 13028564), (10, 6514282), (20, 3257141), (829, 78580), (1658, 39290), (3316, 19645), (3929, 16580), (4145, 15716), (7858, 8290)]