7272280

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{647}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 16446240

約数和(自身を除く): 9173960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 647, 1124, 1294, 1405, 2248, 2588, 2810, 3235, 5176, 5620, 6470, 11240, 12940, 25880, 181807, 363614, 727228, 909035, 1454456, 1818070, 3636140, 7272280]

約数ペア:

[(1, 7272280), (2, 3636140), (4, 1818070), (5, 1454456), (8, 909035), (10, 727228), (20, 363614), (40, 181807), (281, 25880), (562, 12940), (647, 11240), (1124, 6470), (1294, 5620), (1405, 5176), (2248, 3235), (2588, 2810)]