202065040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{347}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 489343680

約数和(自身を除く): 287278640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 251, 290, 347, 464, 502, 580, 694, 1004, 1160, 1255, 1388, 1735, 2008, 2320, 2510, 2776, 3470, 4016, 5020, 5552, 6940, 7279, 10040, 10063, 13880, 14558, 20080, 20126, 27760, 29116, 36395, 40252, 50315, 58232, 72790, 80504, 87097, 100630, 116464, 145580, 161008, 174194, 201260, 291160, 348388, 402520, 435485, 582320, 696776, 805040, 870970, 1393552, 1741940, 2525813, 3483880, 5051626, 6967760, 10103252, 12629065, 20206504, 25258130, 40413008, 50516260, 101032520, 202065040]

約数ペア:

[(1, 202065040), (2, 101032520), (4, 50516260), (5, 40413008), (8, 25258130), (10, 20206504), (16, 12629065), (20, 10103252), (29, 6967760), (40, 5051626), (58, 3483880), (80, 2525813), (116, 1741940), (145, 1393552), (232, 870970), (251, 805040), (290, 696776), (347, 582320), (464, 435485), (502, 402520), (580, 348388), (694, 291160), (1004, 201260), (1160, 174194), (1255, 161008), (1388, 145580), (1735, 116464), (2008, 100630), (2320, 87097), (2510, 80504), (2776, 72790), (3470, 58232), (4016, 50315), (5020, 40252), (5552, 36395), (6940, 29116), (7279, 27760), (10040, 20126), (10063, 20080), (13880, 14558)]