1313920

素因数分解:

$2^7\times 5^1\times {\mathrm{2053}}^1$

素因数の和:2072

約数の個数: 32

約数和(自身を含む): 3142620

約数和(自身を除く): 1828700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2053, 4106, 8212, 10265, 16424, 20530, 32848, 41060, 65696, 82120, 131392, 164240, 262784, 328480, 656960, 1313920]

約数ペア:

[(1, 1313920), (2, 656960), (4, 328480), (5, 262784), (8, 164240), (10, 131392), (16, 82120), (20, 65696), (32, 41060), (40, 32848), (64, 20530), (80, 16424), (128, 10265), (160, 8212), (320, 4106), (640, 2053)]