4879120

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:943

約数の個数: 40

約数和(自身を含む): 11517120

約数和(自身を除く): 6638000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 859, 1136, 1420, 1718, 2840, 3436, 4295, 5680, 6872, 8590, 13744, 17180, 34360, 60989, 68720, 121978, 243956, 304945, 487912, 609890, 975824, 1219780, 2439560, 4879120]

約数ペア:

[(1, 4879120), (2, 2439560), (4, 1219780), (5, 975824), (8, 609890), (10, 487912), (16, 304945), (20, 243956), (40, 121978), (71, 68720), (80, 60989), (142, 34360), (284, 17180), (355, 13744), (568, 8590), (710, 6872), (859, 5680), (1136, 4295), (1420, 3436), (1718, 2840)]