80533640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1777}}^1$

素因数の和:1902

約数の個数: 64

約数和(自身を含む): 199704960

約数和(自身を除く): 119171320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 103, 110, 206, 220, 412, 440, 515, 824, 1030, 1133, 1777, 2060, 2266, 3554, 4120, 4532, 5665, 7108, 8885, 9064, 11330, 14216, 17770, 19547, 22660, 35540, 39094, 45320, 71080, 78188, 97735, 156376, 183031, 195470, 366062, 390940, 732124, 781880, 915155, 1464248, 1830310, 2013341, 3660620, 4026682, 7321240, 8053364, 10066705, 16106728, 20133410, 40266820, 80533640]

約数ペア:

[(1, 80533640), (2, 40266820), (4, 20133410), (5, 16106728), (8, 10066705), (10, 8053364), (11, 7321240), (20, 4026682), (22, 3660620), (40, 2013341), (44, 1830310), (55, 1464248), (88, 915155), (103, 781880), (110, 732124), (206, 390940), (220, 366062), (412, 195470), (440, 183031), (515, 156376), (824, 97735), (1030, 78188), (1133, 71080), (1777, 45320), (2060, 39094), (2266, 35540), (3554, 22660), (4120, 19547), (4532, 17770), (5665, 14216), (7108, 11330), (8885, 9064)]