56109880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 133747200

約数和(自身を除く): 77637320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 142, 184, 230, 284, 355, 460, 568, 710, 859, 920, 1420, 1633, 1718, 2840, 3266, 3436, 4295, 6532, 6872, 8165, 8590, 13064, 16330, 17180, 19757, 32660, 34360, 39514, 60989, 65320, 79028, 98785, 121978, 158056, 197570, 243956, 304945, 395140, 487912, 609890, 790280, 1219780, 1402747, 2439560, 2805494, 5610988, 7013735, 11221976, 14027470, 28054940, 56109880]

約数ペア:

[(1, 56109880), (2, 28054940), (4, 14027470), (5, 11221976), (8, 7013735), (10, 5610988), (20, 2805494), (23, 2439560), (40, 1402747), (46, 1219780), (71, 790280), (92, 609890), (115, 487912), (142, 395140), (184, 304945), (230, 243956), (284, 197570), (355, 158056), (460, 121978), (568, 98785), (710, 79028), (859, 65320), (920, 60989), (1420, 39514), (1633, 34360), (1718, 32660), (2840, 19757), (3266, 17180), (3436, 16330), (4295, 13064), (6532, 8590), (6872, 8165)]