28209080

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{11953}}^1$

素因数の和:12023

約数の個数: 32

約数和(自身を含む): 64551600

約数和(自身を除く): 36342520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 11953, 23906, 47812, 59765, 95624, 119530, 239060, 478120, 705227, 1410454, 2820908, 3526135, 5641816, 7052270, 14104540, 28209080]

約数ペア:

[(1, 28209080), (2, 14104540), (4, 7052270), (5, 5641816), (8, 3526135), (10, 2820908), (20, 1410454), (40, 705227), (59, 478120), (118, 239060), (236, 119530), (295, 95624), (472, 59765), (590, 47812), (1180, 23906), (2360, 11953)]