51172580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:588

約数の個数: 48

約数和(自身を含む): 110953920

約数和(自身を除く): 59781340

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 157, 172, 215, 314, 379, 430, 628, 758, 785, 860, 1516, 1570, 1895, 3140, 3790, 6751, 7580, 13502, 16297, 27004, 32594, 33755, 59503, 65188, 67510, 81485, 119006, 135020, 162970, 238012, 297515, 325940, 595030, 1190060, 2558629, 5117258, 10234516, 12793145, 25586290, 51172580]

約数ペア:

[(1, 51172580), (2, 25586290), (4, 12793145), (5, 10234516), (10, 5117258), (20, 2558629), (43, 1190060), (86, 595030), (157, 325940), (172, 297515), (215, 238012), (314, 162970), (379, 135020), (430, 119006), (628, 81485), (758, 67510), (785, 65188), (860, 59503), (1516, 33755), (1570, 32594), (1895, 27004), (3140, 16297), (3790, 13502), (6751, 7580)]