2020647920

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{2089}}^1$

素因数の和:2322

約数の個数: 80

約数和(自身を含む): 4786166880

約数和(自身を除く): 2765518960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 113, 214, 226, 428, 452, 535, 565, 856, 904, 1070, 1130, 1712, 1808, 2089, 2140, 2260, 4178, 4280, 4520, 8356, 8560, 9040, 10445, 12091, 16712, 20890, 24182, 33424, 41780, 48364, 60455, 83560, 96728, 120910, 167120, 193456, 223523, 236057, 241820, 447046, 472114, 483640, 894092, 944228, 967280, 1117615, 1180285, 1788184, 1888456, 2235230, 2360570, 3576368, 3776912, 4470460, 4721140, 8940920, 9442280, 17881840, 18884560, 25258099, 50516198, 101032396, 126290495, 202064792, 252580990, 404129584, 505161980, 1010323960, 2020647920]

約数ペア:

[(1, 2020647920), (2, 1010323960), (4, 505161980), (5, 404129584), (8, 252580990), (10, 202064792), (16, 126290495), (20, 101032396), (40, 50516198), (80, 25258099), (107, 18884560), (113, 17881840), (214, 9442280), (226, 8940920), (428, 4721140), (452, 4470460), (535, 3776912), (565, 3576368), (856, 2360570), (904, 2235230), (1070, 1888456), (1130, 1788184), (1712, 1180285), (1808, 1117615), (2089, 967280), (2140, 944228), (2260, 894092), (4178, 483640), (4280, 472114), (4520, 447046), (8356, 241820), (8560, 236057), (9040, 223523), (10445, 193456), (12091, 167120), (16712, 120910), (20890, 96728), (24182, 83560), (33424, 60455), (41780, 48364)]