20199275800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{213523}}^1$

素因数の和:213593

約数の個数: 96

約数和(自身を含む): 52424412480

約数和(自身を除く): 32225136680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 43, 44, 50, 55, 86, 88, 100, 110, 172, 200, 215, 220, 275, 344, 430, 440, 473, 550, 860, 946, 1075, 1100, 1720, 1892, 2150, 2200, 2365, 3784, 4300, 4730, 8600, 9460, 11825, 18920, 23650, 47300, 94600, 213523, 427046, 854092, 1067615, 1708184, 2135230, 2348753, 4270460, 4697506, 5338075, 8540920, 9181489, 9395012, 10676150, 11743765, 18362978, 18790024, 21352300, 23487530, 36725956, 42704600, 45907445, 46975060, 58718825, 73451912, 91814890, 93950120, 100996379, 117437650, 183629780, 201992758, 229537225, 234875300, 367259560, 403985516, 459074450, 469750600, 504981895, 807971032, 918148900, 1009963790, 1836297800, 2019927580, 2524909475, 4039855160, 5049818950, 10099637900, 20199275800]

約数ペア:

[(1, 20199275800), (2, 10099637900), (4, 5049818950), (5, 4039855160), (8, 2524909475), (10, 2019927580), (11, 1836297800), (20, 1009963790), (22, 918148900), (25, 807971032), (40, 504981895), (43, 469750600), (44, 459074450), (50, 403985516), (55, 367259560), (86, 234875300), (88, 229537225), (100, 201992758), (110, 183629780), (172, 117437650), (200, 100996379), (215, 93950120), (220, 91814890), (275, 73451912), (344, 58718825), (430, 46975060), (440, 45907445), (473, 42704600), (550, 36725956), (860, 23487530), (946, 21352300), (1075, 18790024), (1100, 18362978), (1720, 11743765), (1892, 10676150), (2150, 9395012), (2200, 9181489), (2365, 8540920), (3784, 5338075), (4300, 4697506), (4730, 4270460), (8600, 2348753), (9460, 2135230), (11825, 1708184), (18920, 1067615), (23650, 854092), (47300, 427046), (94600, 213523)]