130412720

素因数分解:

$2^4\times 5^1\times {\mathrm{1630159}}^1$

素因数の和:1630172

約数の個数: 20

約数和(自身を含む): 303209760

約数和(自身を除く): 172797040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1630159, 3260318, 6520636, 8150795, 13041272, 16301590, 26082544, 32603180, 65206360, 130412720]

約数ペア:

[(1, 130412720), (2, 65206360), (4, 32603180), (5, 26082544), (8, 16301590), (10, 13041272), (16, 8150795), (20, 6520636), (40, 3260318), (80, 1630159)]