28498520

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1559}}^1$

素因数の和:2027

約数の個数: 32

約数和(自身を含む): 64303200

約数和(自身を除く): 35804680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1559, 1828, 2285, 3118, 3656, 4570, 6236, 7795, 9140, 12472, 15590, 18280, 31180, 62360, 712463, 1424926, 2849852, 3562315, 5699704, 7124630, 14249260, 28498520]

約数ペア:

[(1, 28498520), (2, 14249260), (4, 7124630), (5, 5699704), (8, 3562315), (10, 2849852), (20, 1424926), (40, 712463), (457, 62360), (914, 31180), (1559, 18280), (1828, 15590), (2285, 12472), (3118, 9140), (3656, 7795), (4570, 6236)]