8555920

素因数分解:

$2^4\times 5^1\times {\mathrm{106949}}^1$

素因数の和:106962

約数の個数: 20

約数和(自身を含む): 19892700

約数和(自身を除く): 11336780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 106949, 213898, 427796, 534745, 855592, 1069490, 1711184, 2138980, 4277960, 8555920]

約数ペア:

[(1, 8555920), (2, 4277960), (4, 2138980), (5, 1711184), (8, 1069490), (10, 855592), (16, 534745), (20, 427796), (40, 213898), (80, 106949)]