87918140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{5227}}^1$

素因数の和:5294

約数の個数: 36

約数和(自身を含む): 191250696

約数和(自身を除く): 103332556

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1682, 3364, 4205, 5227, 8410, 10454, 16820, 20908, 26135, 52270, 104540, 151583, 303166, 606332, 757915, 1515830, 3031660, 4395907, 8791814, 17583628, 21979535, 43959070, 87918140]

約数ペア:

[(1, 87918140), (2, 43959070), (4, 21979535), (5, 17583628), (10, 8791814), (20, 4395907), (29, 3031660), (58, 1515830), (116, 757915), (145, 606332), (290, 303166), (580, 151583), (841, 104540), (1682, 52270), (3364, 26135), (4205, 20908), (5227, 16820), (8410, 10454)]