20087895160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1\times {\mathrm{1319}}^1$

素因数の和:2069

約数の個数: 128

約数和(自身を含む): 49325760000

約数和(自身を除く): 29237864840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 380, 551, 580, 691, 760, 1102, 1160, 1319, 1382, 2204, 2638, 2755, 2764, 3455, 4408, 5276, 5510, 5528, 6595, 6910, 10552, 11020, 13129, 13190, 13820, 20039, 22040, 25061, 26258, 26380, 27640, 38251, 40078, 50122, 52516, 52760, 65645, 76502, 80156, 100195, 100244, 105032, 125305, 131290, 153004, 160312, 191255, 200390, 200488, 250610, 262580, 306008, 380741, 382510, 400780, 501220, 525160, 726769, 761482, 765020, 801560, 911429, 1002440, 1453538, 1522964, 1530040, 1822858, 1903705, 2907076, 3045928, 3633845, 3645716, 3807410, 4557145, 5814152, 7267690, 7291432, 7614820, 9114290, 14535380, 15229640, 17317151, 18228580, 26431441, 29070760, 34634302, 36457160, 52862882, 69268604, 86585755, 105725764, 132157205, 138537208, 173171510, 211451528, 264314410, 346343020, 502197379, 528628820, 692686040, 1004394758, 1057257640, 2008789516, 2510986895, 4017579032, 5021973790, 10043947580, 20087895160]

約数ペア:

[(1, 20087895160), (2, 10043947580), (4, 5021973790), (5, 4017579032), (8, 2510986895), (10, 2008789516), (19, 1057257640), (20, 1004394758), (29, 692686040), (38, 528628820), (40, 502197379), (58, 346343020), (76, 264314410), (95, 211451528), (116, 173171510), (145, 138537208), (152, 132157205), (190, 105725764), (232, 86585755), (290, 69268604), (380, 52862882), (551, 36457160), (580, 34634302), (691, 29070760), (760, 26431441), (1102, 18228580), (1160, 17317151), (1319, 15229640), (1382, 14535380), (2204, 9114290), (2638, 7614820), (2755, 7291432), (2764, 7267690), (3455, 5814152), (4408, 4557145), (5276, 3807410), (5510, 3645716), (5528, 3633845), (6595, 3045928), (6910, 2907076), (10552, 1903705), (11020, 1822858), (13129, 1530040), (13190, 1522964), (13820, 1453538), (20039, 1002440), (22040, 911429), (25061, 801560), (26258, 765020), (26380, 761482), (27640, 726769), (38251, 525160), (40078, 501220), (50122, 400780), (52516, 382510), (52760, 380741), (65645, 306008), (76502, 262580), (80156, 250610), (100195, 200488), (100244, 200390), (105032, 191255), (125305, 160312), (131290, 153004)]