4080377920

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{100403}}^1$

素因数の和:100547

約数の個数: 56

約数和(自身を含む): 9793004544

約数和(自身を除く): 5712626624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 10160, 20320, 40640, 100403, 200806, 401612, 502015, 803224, 1004030, 1606448, 2008060, 3212896, 4016120, 6425792, 8032240, 12751181, 16064480, 25502362, 32128960, 51004724, 63755905, 102009448, 127511810, 204018896, 255023620, 408037792, 510047240, 816075584, 1020094480, 2040188960, 4080377920]

約数ペア:

[(1, 4080377920), (2, 2040188960), (4, 1020094480), (5, 816075584), (8, 510047240), (10, 408037792), (16, 255023620), (20, 204018896), (32, 127511810), (40, 102009448), (64, 63755905), (80, 51004724), (127, 32128960), (160, 25502362), (254, 16064480), (320, 12751181), (508, 8032240), (635, 6425792), (1016, 4016120), (1270, 3212896), (2032, 2008060), (2540, 1606448), (4064, 1004030), (5080, 803224), (8128, 502015), (10160, 401612), (20320, 200806), (40640, 100403)]