51870920

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11897}}^1$

素因数の和:12017

約数の個数: 32

約数和(自身を含む): 117790200

約数和(自身を除く): 65919280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 11897, 23794, 47588, 59485, 95176, 118970, 237940, 475880, 1296773, 2593546, 5187092, 6483865, 10374184, 12967730, 25935460, 51870920]

約数ペア:

[(1, 51870920), (2, 25935460), (4, 12967730), (5, 10374184), (8, 6483865), (10, 5187092), (20, 2593546), (40, 1296773), (109, 475880), (218, 237940), (436, 118970), (545, 95176), (872, 59485), (1090, 47588), (2180, 23794), (4360, 11897)]