320426720

素因数分解:

$2^5\times 5^1\times {\mathrm{2002667}}^1$

素因数の和:2002682

約数の個数: 24

約数和(自身を含む): 757008504

約数和(自身を除く): 436581784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2002667, 4005334, 8010668, 10013335, 16021336, 20026670, 32042672, 40053340, 64085344, 80106680, 160213360, 320426720]

約数ペア:

[(1, 320426720), (2, 160213360), (4, 80106680), (5, 64085344), (8, 40053340), (10, 32042672), (16, 20026670), (20, 16021336), (32, 10013335), (40, 8010668), (80, 4005334), (160, 2002667)]