12567920

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1237}}^1$

素因数の和:1377

約数の個数: 40

約数和(自身を含む): 29474304

約数和(自身を除く): 16906384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1237, 1270, 2032, 2474, 2540, 4948, 5080, 6185, 9896, 10160, 12370, 19792, 24740, 49480, 98960, 157099, 314198, 628396, 785495, 1256792, 1570990, 2513584, 3141980, 6283960, 12567920]

約数ペア:

[(1, 12567920), (2, 6283960), (4, 3141980), (5, 2513584), (8, 1570990), (10, 1256792), (16, 785495), (20, 628396), (40, 314198), (80, 157099), (127, 98960), (254, 49480), (508, 24740), (635, 19792), (1016, 12370), (1237, 10160), (1270, 9896), (2032, 6185), (2474, 5080), (2540, 4948)]