87980620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{48341}}^1$

素因数の和:48370

約数の個数: 48

約数和(自身を含む): 227400768

約数和(自身を除く): 139420148

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, 48341, 96682, 193364, 241705, 338387, 483410, 628433, 676774, 966820, 1256866, 1353548, 1691935, 2513732, 3142165, 3383870, 4399031, 6284330, 6767740, 8798062, 12568660, 17596124, 21995155, 43990310, 87980620]

約数ペア:

[(1, 87980620), (2, 43990310), (4, 21995155), (5, 17596124), (7, 12568660), (10, 8798062), (13, 6767740), (14, 6284330), (20, 4399031), (26, 3383870), (28, 3142165), (35, 2513732), (52, 1691935), (65, 1353548), (70, 1256866), (91, 966820), (130, 676774), (140, 628433), (182, 483410), (260, 338387), (364, 241705), (455, 193364), (910, 96682), (1820, 48341)]