25223880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 83825280

約数和(自身を除く): 58601400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 97, 110, 120, 132, 165, 194, 197, 220, 264, 291, 330, 388, 394, 440, 485, 582, 591, 660, 776, 788, 970, 985, 1067, 1164, 1182, 1320, 1455, 1576, 1940, 1970, 2134, 2167, 2328, 2364, 2910, 2955, 3201, 3880, 3940, 4268, 4334, 4728, 5335, 5820, 5910, 6402, 6501, 7880, 8536, 8668, 10670, 10835, 11640, 11820, 12804, 13002, 16005, 17336, 19109, 21340, 21670, 23640, 25608, 26004, 32010, 32505, 38218, 42680, 43340, 52008, 57327, 64020, 65010, 76436, 86680, 95545, 114654, 128040, 130020, 152872, 191090, 210199, 229308, 260040, 286635, 382180, 420398, 458616, 573270, 630597, 764360, 840796, 1050995, 1146540, 1261194, 1681592, 2101990, 2293080, 2522388, 3152985, 4203980, 5044776, 6305970, 8407960, 12611940, 25223880]

約数ペア:

[(1, 25223880), (2, 12611940), (3, 8407960), (4, 6305970), (5, 5044776), (6, 4203980), (8, 3152985), (10, 2522388), (11, 2293080), (12, 2101990), (15, 1681592), (20, 1261194), (22, 1146540), (24, 1050995), (30, 840796), (33, 764360), (40, 630597), (44, 573270), (55, 458616), (60, 420398), (66, 382180), (88, 286635), (97, 260040), (110, 229308), (120, 210199), (132, 191090), (165, 152872), (194, 130020), (197, 128040), (220, 114654), (264, 95545), (291, 86680), (330, 76436), (388, 65010), (394, 64020), (440, 57327), (485, 52008), (582, 43340), (591, 42680), (660, 38218), (776, 32505), (788, 32010), (970, 26004), (985, 25608), (1067, 23640), (1164, 21670), (1182, 21340), (1320, 19109), (1455, 17336), (1576, 16005), (1940, 13002), (1970, 12804), (2134, 11820), (2167, 11640), (2328, 10835), (2364, 10670), (2910, 8668), (2955, 8536), (3201, 7880), (3880, 6501), (3940, 6402), (4268, 5910), (4334, 5820), (4728, 5335)]