2017780040

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{752903}}^1$

素因数の和:752981

約数の個数: 32

約数和(自身を含む): 4607772480

約数和(自身を除く): 2589992440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 752903, 1505806, 3011612, 3764515, 6023224, 7529030, 15058060, 30116120, 50444501, 100889002, 201778004, 252222505, 403556008, 504445010, 1008890020, 2017780040]

約数ペア:

[(1, 2017780040), (2, 1008890020), (4, 504445010), (5, 403556008), (8, 252222505), (10, 201778004), (20, 100889002), (40, 50444501), (67, 30116120), (134, 15058060), (268, 7529030), (335, 6023224), (536, 3764515), (670, 3011612), (1340, 1505806), (2680, 752903)]