6449560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 15926400

約数和(自身を除く): 9476840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 157, 158, 260, 314, 316, 395, 520, 628, 632, 785, 790, 1027, 1256, 1570, 1580, 2041, 2054, 3140, 3160, 4082, 4108, 5135, 6280, 8164, 8216, 10205, 10270, 12403, 16328, 20410, 20540, 24806, 40820, 41080, 49612, 62015, 81640, 99224, 124030, 161239, 248060, 322478, 496120, 644956, 806195, 1289912, 1612390, 3224780, 6449560]

約数ペア:

[(1, 6449560), (2, 3224780), (4, 1612390), (5, 1289912), (8, 806195), (10, 644956), (13, 496120), (20, 322478), (26, 248060), (40, 161239), (52, 124030), (65, 99224), (79, 81640), (104, 62015), (130, 49612), (157, 41080), (158, 40820), (260, 24806), (314, 20540), (316, 20410), (395, 16328), (520, 12403), (628, 10270), (632, 10205), (785, 8216), (790, 8164), (1027, 6280), (1256, 5135), (1570, 4108), (1580, 4082), (2041, 3160), (2054, 3140)]