4208920

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{757}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 9550800

約数和(自身を除く): 5341880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 757, 1112, 1390, 1514, 2780, 3028, 3785, 5560, 6056, 7570, 15140, 30280, 105223, 210446, 420892, 526115, 841784, 1052230, 2104460, 4208920]

約数ペア:

[(1, 4208920), (2, 2104460), (4, 1052230), (5, 841784), (8, 526115), (10, 420892), (20, 210446), (40, 105223), (139, 30280), (278, 15140), (556, 7570), (695, 6056), (757, 5560), (1112, 3785), (1390, 3028), (1514, 2780)]