2012100920

素因数分解:

$2^3\times 5^1\times {\mathrm{4909}}^1\times {\mathrm{10247}}^1$

素因数の和:15167

約数の個数: 32

約数和(自身を含む): 4528591200

約数和(自身を除く): 2516490280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4909, 9818, 10247, 19636, 20494, 24545, 39272, 40988, 49090, 51235, 81976, 98180, 102470, 196360, 204940, 409880, 50302523, 100605046, 201210092, 251512615, 402420184, 503025230, 1006050460, 2012100920]

約数ペア:

[(1, 2012100920), (2, 1006050460), (4, 503025230), (5, 402420184), (8, 251512615), (10, 201210092), (20, 100605046), (40, 50302523), (4909, 409880), (9818, 204940), (10247, 196360), (19636, 102470), (20494, 98180), (24545, 81976), (39272, 51235), (40988, 49090)]