4005424

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{1801}}^1$

素因数の和:1948

約数の個数: 20

約数和(自身を含む): 7820680

約数和(自身を除く): 3815256

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 1801, 2224, 3602, 7204, 14408, 28816, 250339, 500678, 1001356, 2002712, 4005424]

約数ペア:

[(1, 4005424), (2, 2002712), (4, 1001356), (8, 500678), (16, 250339), (139, 28816), (278, 14408), (556, 7204), (1112, 3602), (1801, 2224)]