2016135320

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{119723}}^1$

素因数の和:120155

約数の個数: 32

約数和(自身を含む): 4547117520

約数和(自身を除く): 2530982200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 16840, 119723, 239446, 478892, 598615, 957784, 1197230, 2394460, 4788920, 50403383, 100806766, 201613532, 252016915, 403227064, 504033830, 1008067660, 2016135320]

約数ペア:

[(1, 2016135320), (2, 1008067660), (4, 504033830), (5, 403227064), (8, 252016915), (10, 201613532), (20, 100806766), (40, 50403383), (421, 4788920), (842, 2394460), (1684, 1197230), (2105, 957784), (3368, 598615), (4210, 478892), (8420, 239446), (16840, 119723)]