2008100650

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{8821}}^1$

素因数の和:9019

約数の個数: 48

約数和(自身を含む): 3888914040

約数和(自身を除く): 1880813390

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 157, 290, 314, 725, 785, 1450, 1570, 3925, 4553, 7850, 8821, 9106, 17642, 22765, 44105, 45530, 88210, 113825, 220525, 227650, 255809, 441050, 511618, 1279045, 1384897, 2558090, 2769794, 6395225, 6924485, 12790450, 13848970, 34622425, 40162013, 69244850, 80324026, 200810065, 401620130, 1004050325, 2008100650]

約数ペア:

[(1, 2008100650), (2, 1004050325), (5, 401620130), (10, 200810065), (25, 80324026), (29, 69244850), (50, 40162013), (58, 34622425), (145, 13848970), (157, 12790450), (290, 6924485), (314, 6395225), (725, 2769794), (785, 2558090), (1450, 1384897), (1570, 1279045), (3925, 511618), (4553, 441050), (7850, 255809), (8821, 227650), (9106, 220525), (17642, 113825), (22765, 88210), (44105, 45530)]