20168993650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{9923}}^1$

素因数の和:10060

約数の個数: 96

約数和(自身を含む): 41864195520

約数和(自身を除く): 21695201870

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 59, 65, 106, 118, 130, 265, 295, 325, 530, 590, 650, 689, 767, 1325, 1378, 1475, 1534, 2650, 2950, 3127, 3445, 3835, 6254, 6890, 7670, 9923, 15635, 17225, 19175, 19846, 31270, 34450, 38350, 40651, 49615, 78175, 81302, 99230, 128999, 156350, 203255, 248075, 257998, 406510, 496150, 525919, 585457, 644995, 1016275, 1051838, 1170914, 1289990, 2032550, 2629595, 2927285, 3224975, 5259190, 5854570, 6449950, 6836947, 7610941, 13147975, 13673894, 14636425, 15221882, 26295950, 29272850, 31029221, 34184735, 38054705, 62058442, 68369470, 76109410, 155146105, 170923675, 190273525, 310292210, 341847350, 380547050, 403379873, 775730525, 806759746, 1551461050, 2016899365, 4033798730, 10084496825, 20168993650]

約数ペア:

[(1, 20168993650), (2, 10084496825), (5, 4033798730), (10, 2016899365), (13, 1551461050), (25, 806759746), (26, 775730525), (50, 403379873), (53, 380547050), (59, 341847350), (65, 310292210), (106, 190273525), (118, 170923675), (130, 155146105), (265, 76109410), (295, 68369470), (325, 62058442), (530, 38054705), (590, 34184735), (650, 31029221), (689, 29272850), (767, 26295950), (1325, 15221882), (1378, 14636425), (1475, 13673894), (1534, 13147975), (2650, 7610941), (2950, 6836947), (3127, 6449950), (3445, 5854570), (3835, 5259190), (6254, 3224975), (6890, 2927285), (7670, 2629595), (9923, 2032550), (15635, 1289990), (17225, 1170914), (19175, 1051838), (19846, 1016275), (31270, 644995), (34450, 585457), (38350, 525919), (40651, 496150), (49615, 406510), (78175, 257998), (81302, 248075), (99230, 203255), (128999, 156350)]