40344920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13099}}^1$

素因数の和:13128

約数の個数: 64

約数和(自身を含む): 113184000

約数和(自身を除く): 72839080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 13099, 26198, 52396, 65495, 91693, 104792, 130990, 144089, 183386, 261980, 288178, 366772, 458465, 523960, 576356, 720445, 733544, 916930, 1008623, 1152712, 1440890, 1833860, 2017246, 2881780, 3667720, 4034492, 5043115, 5763560, 8068984, 10086230, 20172460, 40344920]

約数ペア:

[(1, 40344920), (2, 20172460), (4, 10086230), (5, 8068984), (7, 5763560), (8, 5043115), (10, 4034492), (11, 3667720), (14, 2881780), (20, 2017246), (22, 1833860), (28, 1440890), (35, 1152712), (40, 1008623), (44, 916930), (55, 733544), (56, 720445), (70, 576356), (77, 523960), (88, 458465), (110, 366772), (140, 288178), (154, 261980), (220, 183386), (280, 144089), (308, 130990), (385, 104792), (440, 91693), (616, 65495), (770, 52396), (1540, 26198), (3080, 13099)]