2047240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 5160960

約数和(自身を除く): 3113720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 127, 130, 155, 248, 254, 260, 310, 403, 508, 520, 620, 635, 806, 1016, 1240, 1270, 1612, 1651, 2015, 2540, 3224, 3302, 3937, 4030, 5080, 6604, 7874, 8060, 8255, 13208, 15748, 16120, 16510, 19685, 31496, 33020, 39370, 51181, 66040, 78740, 102362, 157480, 204724, 255905, 409448, 511810, 1023620, 2047240]

約数ペア:

[(1, 2047240), (2, 1023620), (4, 511810), (5, 409448), (8, 255905), (10, 204724), (13, 157480), (20, 102362), (26, 78740), (31, 66040), (40, 51181), (52, 39370), (62, 33020), (65, 31496), (104, 19685), (124, 16510), (127, 16120), (130, 15748), (155, 13208), (248, 8255), (254, 8060), (260, 7874), (310, 6604), (403, 5080), (508, 4030), (520, 3937), (620, 3302), (635, 3224), (806, 2540), (1016, 2015), (1240, 1651), (1270, 1612)]