16312720

素因数分解:

$2^4\times 5^1\times {\mathrm{203909}}^1$

素因数の和:203922

約数の個数: 20

約数和(自身を含む): 37927260

約数和(自身を除く): 21614540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 203909, 407818, 815636, 1019545, 1631272, 2039090, 3262544, 4078180, 8156360, 16312720]

約数ペア:

[(1, 16312720), (2, 8156360), (4, 4078180), (5, 3262544), (8, 2039090), (10, 1631272), (16, 1019545), (20, 815636), (40, 407818), (80, 203909)]