40219812880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{304511}}^1$

素因数の和:304664

約数の個数: 80

約数和(自身を含む): 101497503744

約数和(自身を除く): 61277690864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 2032, 2540, 3302, 5080, 6604, 8255, 10160, 13208, 16510, 26416, 33020, 66040, 132080, 304511, 609022, 1218044, 1522555, 2436088, 3045110, 3958643, 4872176, 6090220, 7917286, 12180440, 15834572, 19793215, 24360880, 31669144, 38672897, 39586430, 63338288, 77345794, 79172860, 154691588, 158345720, 193364485, 309383176, 316691440, 386728970, 502747661, 618766352, 773457940, 1005495322, 1546915880, 2010990644, 2513738305, 3093831760, 4021981288, 5027476610, 8043962576, 10054953220, 20109906440, 40219812880]

約数ペア:

[(1, 40219812880), (2, 20109906440), (4, 10054953220), (5, 8043962576), (8, 5027476610), (10, 4021981288), (13, 3093831760), (16, 2513738305), (20, 2010990644), (26, 1546915880), (40, 1005495322), (52, 773457940), (65, 618766352), (80, 502747661), (104, 386728970), (127, 316691440), (130, 309383176), (208, 193364485), (254, 158345720), (260, 154691588), (508, 79172860), (520, 77345794), (635, 63338288), (1016, 39586430), (1040, 38672897), (1270, 31669144), (1651, 24360880), (2032, 19793215), (2540, 15834572), (3302, 12180440), (5080, 7917286), (6604, 6090220), (8255, 4872176), (10160, 3958643), (13208, 3045110), (16510, 2436088), (26416, 1522555), (33020, 1218044), (66040, 609022), (132080, 304511)]