80495816780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3433}}^1\times {\mathrm{40427}}^1$

素因数の和:43898

約数の個数: 48

約数和(自身を含む): 174925487520

約数和(自身を除く): 94429670740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 3433, 6866, 13732, 17165, 34330, 40427, 68660, 80854, 99557, 161708, 199114, 202135, 398228, 404270, 497785, 808540, 995570, 1172383, 1991140, 2344766, 4689532, 5861915, 11723830, 23447660, 138785891, 277571782, 555143564, 693929455, 1387858910, 2775717820, 4024790839, 8049581678, 16099163356, 20123954195, 40247908390, 80495816780]

約数ペア:

[(1, 80495816780), (2, 40247908390), (4, 20123954195), (5, 16099163356), (10, 8049581678), (20, 4024790839), (29, 2775717820), (58, 1387858910), (116, 693929455), (145, 555143564), (290, 277571782), (580, 138785891), (3433, 23447660), (6866, 11723830), (13732, 5861915), (17165, 4689532), (34330, 2344766), (40427, 1991140), (68660, 1172383), (80854, 995570), (99557, 808540), (161708, 497785), (199114, 404270), (202135, 398228)]