156632720

素因数分解:

$2^4\times 5^1\times {\mathrm{1957909}}^1$

素因数の和:1957922

約数の個数: 20

約数和(自身を含む): 364171260

約数和(自身を除く): 207538540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1957909, 3915818, 7831636, 9789545, 15663272, 19579090, 31326544, 39158180, 78316360, 156632720]

約数ペア:

[(1, 156632720), (2, 78316360), (4, 39158180), (5, 31326544), (8, 19579090), (10, 15663272), (16, 9789545), (20, 7831636), (40, 3915818), (80, 1957909)]