656960

素因数分解:

$2^6\times 5^1\times {\mathrm{2053}}^1$

素因数の和:2070

約数の個数: 28

約数和(自身を含む): 1565148

約数和(自身を除く): 908188

約数列:

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

約数ペア:

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