56485040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 137803680

約数和(自身を除く): 81318640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 97, 116, 145, 194, 232, 251, 290, 388, 464, 485, 502, 580, 776, 970, 1004, 1160, 1255, 1552, 1940, 2008, 2320, 2510, 2813, 3880, 4016, 5020, 5626, 7279, 7760, 10040, 11252, 14065, 14558, 20080, 22504, 24347, 28130, 29116, 36395, 45008, 48694, 56260, 58232, 72790, 97388, 112520, 116464, 121735, 145580, 194776, 225040, 243470, 291160, 389552, 486940, 582320, 706063, 973880, 1412126, 1947760, 2824252, 3530315, 5648504, 7060630, 11297008, 14121260, 28242520, 56485040]

約数ペア:

[(1, 56485040), (2, 28242520), (4, 14121260), (5, 11297008), (8, 7060630), (10, 5648504), (16, 3530315), (20, 2824252), (29, 1947760), (40, 1412126), (58, 973880), (80, 706063), (97, 582320), (116, 486940), (145, 389552), (194, 291160), (232, 243470), (251, 225040), (290, 194776), (388, 145580), (464, 121735), (485, 116464), (502, 112520), (580, 97388), (776, 72790), (970, 58232), (1004, 56260), (1160, 48694), (1255, 45008), (1552, 36395), (1940, 29116), (2008, 28130), (2320, 24347), (2510, 22504), (2813, 20080), (3880, 14558), (4016, 14065), (5020, 11252), (5626, 10040), (7279, 7760)]