20143081750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{257}}^1\times {\mathrm{2591}}^1$

素因数の和:2887

約数の個数: 96

約数和(自身を含む): 41624803584

約数和(自身を除く): 21481721834

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 125, 242, 250, 257, 275, 514, 550, 605, 1210, 1285, 1375, 2570, 2591, 2750, 2827, 3025, 5182, 5654, 6050, 6425, 12850, 12955, 14135, 15125, 25910, 28270, 28501, 30250, 31097, 32125, 57002, 62194, 64250, 64775, 70675, 129550, 141350, 142505, 155485, 285010, 310970, 313511, 323875, 353375, 627022, 647750, 665887, 706750, 712525, 777425, 1331774, 1425050, 1554850, 1567555, 3135110, 3329435, 3562625, 3887125, 6658870, 7125250, 7324757, 7774250, 7837775, 14649514, 15675550, 16647175, 33294350, 36623785, 39188875, 73247570, 78377750, 80572327, 83235875, 161144654, 166471750, 183118925, 366237850, 402861635, 805723270, 915594625, 1831189250, 2014308175, 4028616350, 10071540875, 20143081750]

約数ペア:

[(1, 20143081750), (2, 10071540875), (5, 4028616350), (10, 2014308175), (11, 1831189250), (22, 915594625), (25, 805723270), (50, 402861635), (55, 366237850), (110, 183118925), (121, 166471750), (125, 161144654), (242, 83235875), (250, 80572327), (257, 78377750), (275, 73247570), (514, 39188875), (550, 36623785), (605, 33294350), (1210, 16647175), (1285, 15675550), (1375, 14649514), (2570, 7837775), (2591, 7774250), (2750, 7324757), (2827, 7125250), (3025, 6658870), (5182, 3887125), (5654, 3562625), (6050, 3329435), (6425, 3135110), (12850, 1567555), (12955, 1554850), (14135, 1425050), (15125, 1331774), (25910, 777425), (28270, 712525), (28501, 706750), (30250, 665887), (31097, 647750), (32125, 627022), (57002, 353375), (62194, 323875), (64250, 313511), (64775, 310970), (70675, 285010), (129550, 155485), (141350, 142505)]