20160168880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{37573}}^1$

素因数の和:37958

約数の個数: 80

約数和(自身を含む): 49480449120

約数和(自身を除く): 29320280240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 353, 380, 706, 760, 1412, 1520, 1765, 2824, 3530, 5648, 6707, 7060, 13414, 14120, 26828, 28240, 33535, 37573, 53656, 67070, 75146, 107312, 134140, 150292, 187865, 268280, 300584, 375730, 536560, 601168, 713887, 751460, 1427774, 1502920, 2855548, 3005840, 3569435, 5711096, 7138870, 11422192, 13263269, 14277740, 26526538, 28555480, 53053076, 57110960, 66316345, 106106152, 132632690, 212212304, 252002111, 265265380, 504004222, 530530760, 1008008444, 1061061520, 1260010555, 2016016888, 2520021110, 4032033776, 5040042220, 10080084440, 20160168880]

約数ペア:

[(1, 20160168880), (2, 10080084440), (4, 5040042220), (5, 4032033776), (8, 2520021110), (10, 2016016888), (16, 1260010555), (19, 1061061520), (20, 1008008444), (38, 530530760), (40, 504004222), (76, 265265380), (80, 252002111), (95, 212212304), (152, 132632690), (190, 106106152), (304, 66316345), (353, 57110960), (380, 53053076), (706, 28555480), (760, 26526538), (1412, 14277740), (1520, 13263269), (1765, 11422192), (2824, 7138870), (3530, 5711096), (5648, 3569435), (6707, 3005840), (7060, 2855548), (13414, 1502920), (14120, 1427774), (26828, 751460), (28240, 713887), (33535, 601168), (37573, 536560), (53656, 375730), (67070, 300584), (75146, 268280), (107312, 187865), (134140, 150292)]