78982540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43397}}^1$

素因数の和:43426

約数の個数: 48

約数和(自身を含む): 204144192

約数和(自身を除く): 125161652

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 43397, 86794, 173588, 216985, 303779, 433970, 564161, 607558, 867940, 1128322, 1215116, 1518895, 2256644, 2820805, 3037790, 3949127, 5641610, 6075580, 7898254, 11283220, 15796508, 19745635, 39491270, 78982540]

約数ペア:

[(1, 78982540), (2, 39491270), (4, 19745635), (5, 15796508), (7, 11283220), (10, 7898254), (13, 6075580), (14, 5641610), (20, 3949127), (26, 3037790), (28, 2820805), (35, 2256644), (52, 1518895), (65, 1215116), (70, 1128322), (91, 867940), (130, 607558), (140, 564161), (182, 433970), (260, 303779), (364, 216985), (455, 173588), (910, 86794), (1820, 43397)]