28572640

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4153}}^1$

素因数の和:4211

約数の個数: 48

約数和(自身を含む): 69089328

約数和(自身を除く): 40516688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 4153, 6880, 8306, 16612, 20765, 33224, 41530, 66448, 83060, 132896, 166120, 178579, 332240, 357158, 664480, 714316, 892895, 1428632, 1785790, 2857264, 3571580, 5714528, 7143160, 14286320, 28572640]

約数ペア:

[(1, 28572640), (2, 14286320), (4, 7143160), (5, 5714528), (8, 3571580), (10, 2857264), (16, 1785790), (20, 1428632), (32, 892895), (40, 714316), (43, 664480), (80, 357158), (86, 332240), (160, 178579), (172, 166120), (215, 132896), (344, 83060), (430, 66448), (688, 41530), (860, 33224), (1376, 20765), (1720, 16612), (3440, 8306), (4153, 6880)]