2008972400

素因数分解:

$2^4\times 5^2\times {\mathrm{487}}^1\times {\mathrm{10313}}^1$

素因数の和:10818

約数の個数: 60

約数和(自身を含む): 4836935952

約数和(自身を除く): 2827963552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 487, 974, 1948, 2435, 3896, 4870, 7792, 9740, 10313, 12175, 19480, 20626, 24350, 38960, 41252, 48700, 51565, 82504, 97400, 103130, 165008, 194800, 206260, 257825, 412520, 515650, 825040, 1031300, 2062600, 4125200, 5022431, 10044862, 20089724, 25112155, 40179448, 50224310, 80358896, 100448620, 125560775, 200897240, 251121550, 401794480, 502243100, 1004486200, 2008972400]

約数ペア:

[(1, 2008972400), (2, 1004486200), (4, 502243100), (5, 401794480), (8, 251121550), (10, 200897240), (16, 125560775), (20, 100448620), (25, 80358896), (40, 50224310), (50, 40179448), (80, 25112155), (100, 20089724), (200, 10044862), (400, 5022431), (487, 4125200), (974, 2062600), (1948, 1031300), (2435, 825040), (3896, 515650), (4870, 412520), (7792, 257825), (9740, 206260), (10313, 194800), (12175, 165008), (19480, 103130), (20626, 97400), (24350, 82504), (38960, 51565), (41252, 48700)]