20121326650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1\times {\mathrm{1009}}^1$

素因数の和:1876

約数の個数: 96

約数和(自身を含む): 41084982000

約数和(自身を除く): 20963655350

約数列:

[1, 2, 5, 10, 17, 25, 29, 34, 50, 58, 85, 145, 170, 290, 425, 493, 725, 809, 850, 986, 1009, 1450, 1618, 2018, 2465, 4045, 4930, 5045, 8090, 10090, 12325, 13753, 17153, 20225, 23461, 24650, 25225, 27506, 29261, 34306, 40450, 46922, 50450, 58522, 68765, 85765, 117305, 137530, 146305, 171530, 234610, 292610, 343825, 398837, 428825, 497437, 586525, 687650, 731525, 797674, 816281, 857650, 994874, 1173050, 1463050, 1632562, 1994185, 2487185, 3988370, 4081405, 4974370, 8162810, 9970925, 12435925, 13876777, 19941850, 20407025, 23672149, 24871850, 27753554, 40814050, 47344298, 69383885, 118360745, 138767770, 236721490, 346919425, 402426533, 591803725, 693838850, 804853066, 1183607450, 2012132665, 4024265330, 10060663325, 20121326650]

約数ペア:

[(1, 20121326650), (2, 10060663325), (5, 4024265330), (10, 2012132665), (17, 1183607450), (25, 804853066), (29, 693838850), (34, 591803725), (50, 402426533), (58, 346919425), (85, 236721490), (145, 138767770), (170, 118360745), (290, 69383885), (425, 47344298), (493, 40814050), (725, 27753554), (809, 24871850), (850, 23672149), (986, 20407025), (1009, 19941850), (1450, 13876777), (1618, 12435925), (2018, 9970925), (2465, 8162810), (4045, 4974370), (4930, 4081405), (5045, 3988370), (8090, 2487185), (10090, 1994185), (12325, 1632562), (13753, 1463050), (17153, 1173050), (20225, 994874), (23461, 857650), (24650, 816281), (25225, 797674), (27506, 731525), (29261, 687650), (34306, 586525), (40450, 497437), (46922, 428825), (50450, 398837), (58522, 343825), (68765, 292610), (85765, 234610), (117305, 171530), (137530, 146305)]