40784240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1087}}^1$

素因数の和:1174

約数の個数: 80

約数和(自身を含む): 110088192

約数和(自身を除く): 69303952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 67, 70, 80, 112, 134, 140, 268, 280, 335, 469, 536, 560, 670, 938, 1072, 1087, 1340, 1876, 2174, 2345, 2680, 3752, 4348, 4690, 5360, 5435, 7504, 7609, 8696, 9380, 10870, 15218, 17392, 18760, 21740, 30436, 37520, 38045, 43480, 60872, 72829, 76090, 86960, 121744, 145658, 152180, 291316, 304360, 364145, 509803, 582632, 608720, 728290, 1019606, 1165264, 1456580, 2039212, 2549015, 2913160, 4078424, 5098030, 5826320, 8156848, 10196060, 20392120, 40784240]

約数ペア:

[(1, 40784240), (2, 20392120), (4, 10196060), (5, 8156848), (7, 5826320), (8, 5098030), (10, 4078424), (14, 2913160), (16, 2549015), (20, 2039212), (28, 1456580), (35, 1165264), (40, 1019606), (56, 728290), (67, 608720), (70, 582632), (80, 509803), (112, 364145), (134, 304360), (140, 291316), (268, 152180), (280, 145658), (335, 121744), (469, 86960), (536, 76090), (560, 72829), (670, 60872), (938, 43480), (1072, 38045), (1087, 37520), (1340, 30436), (1876, 21740), (2174, 18760), (2345, 17392), (2680, 15218), (3752, 10870), (4348, 9380), (4690, 8696), (5360, 7609), (5435, 7504)]