2439560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:941

約数の個数: 32

約数和(自身を含む): 5572800

約数和(自身を除く): 3133240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 859, 1420, 1718, 2840, 3436, 4295, 6872, 8590, 17180, 34360, 60989, 121978, 243956, 304945, 487912, 609890, 1219780, 2439560]

約数ペア:

[(1, 2439560), (2, 1219780), (4, 609890), (5, 487912), (8, 304945), (10, 243956), (20, 121978), (40, 60989), (71, 34360), (142, 17180), (284, 8590), (355, 6872), (568, 4295), (710, 3436), (859, 2840), (1420, 1718)]