40686260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 89026560

約数和(自身を除く): 48340300

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 274, 310, 479, 548, 620, 685, 958, 1370, 1916, 2395, 2740, 4247, 4790, 8494, 9580, 14849, 16988, 21235, 29698, 42470, 59396, 65623, 74245, 84940, 131246, 148490, 262492, 296980, 328115, 656230, 1312460, 2034313, 4068626, 8137252, 10171565, 20343130, 40686260]

約数ペア:

[(1, 40686260), (2, 20343130), (4, 10171565), (5, 8137252), (10, 4068626), (20, 2034313), (31, 1312460), (62, 656230), (124, 328115), (137, 296980), (155, 262492), (274, 148490), (310, 131246), (479, 84940), (548, 74245), (620, 65623), (685, 59396), (958, 42470), (1370, 29698), (1916, 21235), (2395, 16988), (2740, 14849), (4247, 9580), (4790, 8494)]