2016990520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{37159}}^1$

素因数の和:37252

約数の個数: 64

約数和(自身を含む): 4815936000

約数和(自身を除く): 2798945480

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 59, 92, 115, 118, 184, 230, 236, 295, 460, 472, 590, 920, 1180, 1357, 2360, 2714, 5428, 6785, 10856, 13570, 27140, 37159, 54280, 74318, 148636, 185795, 297272, 371590, 743180, 854657, 1486360, 1709314, 2192381, 3418628, 4273285, 4384762, 6837256, 8546570, 8769524, 10961905, 17093140, 17539048, 21923810, 34186280, 43847620, 50424763, 87695240, 100849526, 201699052, 252123815, 403398104, 504247630, 1008495260, 2016990520]

約数ペア:

[(1, 2016990520), (2, 1008495260), (4, 504247630), (5, 403398104), (8, 252123815), (10, 201699052), (20, 100849526), (23, 87695240), (40, 50424763), (46, 43847620), (59, 34186280), (92, 21923810), (115, 17539048), (118, 17093140), (184, 10961905), (230, 8769524), (236, 8546570), (295, 6837256), (460, 4384762), (472, 4273285), (590, 3418628), (920, 2192381), (1180, 1709314), (1357, 1486360), (2360, 854657), (2714, 743180), (5428, 371590), (6785, 297272), (10856, 185795), (13570, 148636), (27140, 74318), (37159, 54280)]