20160187975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1\times {\mathrm{643}}^1$

素因数の和:1264

約数の個数: 48

約数和(自身を含む): 26592048000

約数和(自身を除く): 6431860025

約数列:

[1, 5, 19, 25, 95, 149, 443, 475, 643, 745, 2215, 2831, 3215, 3725, 8417, 11075, 12217, 14155, 16075, 42085, 61085, 66007, 70775, 95807, 210425, 284849, 305425, 330035, 479035, 1254133, 1424245, 1650175, 1820333, 2395175, 5412131, 6270665, 7121225, 9101665, 27060655, 31353325, 42442501, 45508325, 135303275, 212212505, 806407519, 1061062525, 4032037595, 20160187975]

約数ペア:

[(1, 20160187975), (5, 4032037595), (19, 1061062525), (25, 806407519), (95, 212212505), (149, 135303275), (443, 45508325), (475, 42442501), (643, 31353325), (745, 27060655), (2215, 9101665), (2831, 7121225), (3215, 6270665), (3725, 5412131), (8417, 2395175), (11075, 1820333), (12217, 1650175), (14155, 1424245), (16075, 1254133), (42085, 479035), (61085, 330035), (66007, 305425), (70775, 284849), (95807, 210425)]