2016788642825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7433}}^1\times {\mathrm{51929}}^1$

素因数の和:59402

約数の個数: 48

約数和(自身を含む): 2872194292800

約数和(自身を除く): 855405649975

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 7433, 37165, 51929, 81763, 141227, 185825, 259645, 408815, 571219, 706135, 986651, 1298225, 1553497, 2044075, 2856095, 3530675, 4933255, 7767485, 10853161, 14280475, 24666275, 38837425, 54265805, 271329025, 385988257, 1929941285, 4245870827, 7333776883, 9649706425, 21229354135, 36668884415, 80671545713, 106146770675, 183344422075, 403357728565, 2016788642825]

約数ペア:

[(1, 2016788642825), (5, 403357728565), (11, 183344422075), (19, 106146770675), (25, 80671545713), (55, 36668884415), (95, 21229354135), (209, 9649706425), (275, 7333776883), (475, 4245870827), (1045, 1929941285), (5225, 385988257), (7433, 271329025), (37165, 54265805), (51929, 38837425), (81763, 24666275), (141227, 14280475), (185825, 10853161), (259645, 7767485), (408815, 4933255), (571219, 3530675), (706135, 2856095), (986651, 2044075), (1298225, 1553497)]