20084528080

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1\times {\mathrm{7507}}^1$

素因数の和:8204

約数の個数: 80

約数和(自身を含む): 47659342464

約数和(自身を除く): 27574814384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 631, 848, 1060, 1262, 2120, 2524, 3155, 4240, 5048, 6310, 7507, 10096, 12620, 15014, 25240, 30028, 33443, 37535, 50480, 60056, 66886, 75070, 120112, 133772, 150140, 167215, 267544, 300280, 334430, 397871, 535088, 600560, 668860, 795742, 1337720, 1591484, 1989355, 2675440, 3182968, 3978710, 4736917, 6365936, 7957420, 9473834, 15914840, 18947668, 23684585, 31829680, 37895336, 47369170, 75790672, 94738340, 189476680, 251056601, 378953360, 502113202, 1004226404, 1255283005, 2008452808, 2510566010, 4016905616, 5021132020, 10042264040, 20084528080]

約数ペア:

[(1, 20084528080), (2, 10042264040), (4, 5021132020), (5, 4016905616), (8, 2510566010), (10, 2008452808), (16, 1255283005), (20, 1004226404), (40, 502113202), (53, 378953360), (80, 251056601), (106, 189476680), (212, 94738340), (265, 75790672), (424, 47369170), (530, 37895336), (631, 31829680), (848, 23684585), (1060, 18947668), (1262, 15914840), (2120, 9473834), (2524, 7957420), (3155, 6365936), (4240, 4736917), (5048, 3978710), (6310, 3182968), (7507, 2675440), (10096, 1989355), (12620, 1591484), (15014, 1337720), (25240, 795742), (30028, 668860), (33443, 600560), (37535, 535088), (50480, 397871), (60056, 334430), (66886, 300280), (75070, 267544), (120112, 167215), (133772, 150140)]