27884720

素因数分解:

$2^4\times 5^1\times {\mathrm{348559}}^1$

素因数の和:348572

約数の個数: 20

約数和(自身を含む): 64832160

約数和(自身を除く): 36947440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 348559, 697118, 1394236, 1742795, 2788472, 3485590, 5576944, 6971180, 13942360, 27884720]

約数ペア:

[(1, 27884720), (2, 13942360), (4, 6971180), (5, 5576944), (8, 3485590), (10, 2788472), (16, 1742795), (20, 1394236), (40, 697118), (80, 348559)]