12793510040

素因数分解:

$2^3\times 5^1\times {\mathrm{8161}}^1\times {\mathrm{39191}}^1$

素因数の和:47363

約数の個数: 32

約数和(自身を含む): 28789659360

約数和(自身を除く): 15996149320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8161, 16322, 32644, 39191, 40805, 65288, 78382, 81610, 156764, 163220, 195955, 313528, 326440, 391910, 783820, 1567640, 319837751, 639675502, 1279351004, 1599188755, 2558702008, 3198377510, 6396755020, 12793510040]

約数ペア:

[(1, 12793510040), (2, 6396755020), (4, 3198377510), (5, 2558702008), (8, 1599188755), (10, 1279351004), (20, 639675502), (40, 319837751), (8161, 1567640), (16322, 783820), (32644, 391910), (39191, 326440), (40805, 313528), (65288, 195955), (78382, 163220), (81610, 156764)]