66188875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:125

約数の個数: 48

約数和(自身を含む): 92944800

約数和(自身を除く): 26755925

約数列:

[1, 5, 19, 25, 29, 31, 95, 125, 145, 155, 475, 551, 589, 725, 775, 899, 961, 2375, 2755, 2945, 3625, 3875, 4495, 4805, 13775, 14725, 17081, 18259, 22475, 24025, 27869, 68875, 73625, 85405, 91295, 112375, 120125, 139345, 427025, 456475, 529511, 696725, 2135125, 2282375, 2647555, 3483625, 13237775, 66188875]

約数ペア:

[(1, 66188875), (5, 13237775), (19, 3483625), (25, 2647555), (29, 2282375), (31, 2135125), (95, 696725), (125, 529511), (145, 456475), (155, 427025), (475, 139345), (551, 120125), (589, 112375), (725, 91295), (775, 85405), (899, 73625), (961, 68875), (2375, 27869), (2755, 24025), (2945, 22475), (3625, 18259), (3875, 17081), (4495, 14725), (4805, 13775)]