28140850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{7927}}^1$

素因数の和:8010

約数の個数: 24

約数和(自身を含む): 53085888

約数和(自身を除く): 24945038

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 7927, 15854, 39635, 79270, 198175, 396350, 562817, 1125634, 2814085, 5628170, 14070425, 28140850]

約数ペア:

[(1, 28140850), (2, 14070425), (5, 5628170), (10, 2814085), (25, 1125634), (50, 562817), (71, 396350), (142, 198175), (355, 79270), (710, 39635), (1775, 15854), (3550, 7927)]