11501980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2833}}^1$

素因数の和:2878

約数の個数: 48

約数和(自身を含む): 28566720

約数和(自身を除く): 17064740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 2833, 4060, 5666, 11332, 14165, 19831, 28330, 39662, 56660, 79324, 82157, 99155, 164314, 198310, 328628, 396620, 410785, 575099, 821570, 1150198, 1643140, 2300396, 2875495, 5750990, 11501980]

約数ペア:

[(1, 11501980), (2, 5750990), (4, 2875495), (5, 2300396), (7, 1643140), (10, 1150198), (14, 821570), (20, 575099), (28, 410785), (29, 396620), (35, 328628), (58, 198310), (70, 164314), (116, 99155), (140, 82157), (145, 79324), (203, 56660), (290, 39662), (406, 28330), (580, 19831), (812, 14165), (1015, 11332), (2030, 5666), (2833, 4060)]