80990480

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17159}}^1$

素因数の和:17231

約数の個数: 40

約数和(自身を含む): 191505600

約数和(自身を除く): 110515120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 236, 295, 472, 590, 944, 1180, 2360, 4720, 17159, 34318, 68636, 85795, 137272, 171590, 274544, 343180, 686360, 1012381, 1372720, 2024762, 4049524, 5061905, 8099048, 10123810, 16198096, 20247620, 40495240, 80990480]

約数ペア:

[(1, 80990480), (2, 40495240), (4, 20247620), (5, 16198096), (8, 10123810), (10, 8099048), (16, 5061905), (20, 4049524), (40, 2024762), (59, 1372720), (80, 1012381), (118, 686360), (236, 343180), (295, 274544), (472, 171590), (590, 137272), (944, 85795), (1180, 68636), (2360, 34318), (4720, 17159)]