20183201600

素因数分解:

$2^6\times 5^2\times {\mathrm{197}}^1\times {\mathrm{64033}}^1$

素因数の和:64252

約数の個数: 84

約数和(自身を含む): 49916167884

約数和(自身を除く): 29732966284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 197, 200, 320, 394, 400, 788, 800, 985, 1576, 1600, 1970, 3152, 3940, 4925, 6304, 7880, 9850, 12608, 15760, 19700, 31520, 39400, 63040, 64033, 78800, 128066, 157600, 256132, 315200, 320165, 512264, 640330, 1024528, 1280660, 1600825, 2049056, 2561320, 3201650, 4098112, 5122640, 6403300, 10245280, 12614501, 12806600, 20490560, 25229002, 25613200, 50458004, 51226400, 63072505, 100916008, 102452800, 126145010, 201832016, 252290020, 315362525, 403664032, 504580040, 630725050, 807328064, 1009160080, 1261450100, 2018320160, 2522900200, 4036640320, 5045800400, 10091600800, 20183201600]

約数ペア:

[(1, 20183201600), (2, 10091600800), (4, 5045800400), (5, 4036640320), (8, 2522900200), (10, 2018320160), (16, 1261450100), (20, 1009160080), (25, 807328064), (32, 630725050), (40, 504580040), (50, 403664032), (64, 315362525), (80, 252290020), (100, 201832016), (160, 126145010), (197, 102452800), (200, 100916008), (320, 63072505), (394, 51226400), (400, 50458004), (788, 25613200), (800, 25229002), (985, 20490560), (1576, 12806600), (1600, 12614501), (1970, 10245280), (3152, 6403300), (3940, 5122640), (4925, 4098112), (6304, 3201650), (7880, 2561320), (9850, 2049056), (12608, 1600825), (15760, 1280660), (19700, 1024528), (31520, 640330), (39400, 512264), (63040, 320165), (64033, 315200), (78800, 256132), (128066, 157600)]