28751120

素因数分解:

$2^4\times 5^1\times {\mathrm{359389}}^1$

素因数の和:359402

約数の個数: 20

約数和(自身を含む): 66846540

約数和(自身を除く): 38095420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359389, 718778, 1437556, 1796945, 2875112, 3593890, 5750224, 7187780, 14375560, 28751120]

約数ペア:

[(1, 28751120), (2, 14375560), (4, 7187780), (5, 5750224), (8, 3593890), (10, 2875112), (16, 1796945), (20, 1437556), (40, 718778), (80, 359389)]