85561880

素因数分解:

$2^3\times 5^1\times {\mathrm{2139047}}^1$

素因数の和:2139058

約数の個数: 16

約数和(自身を含む): 192514320

約数和(自身を除く): 106952440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2139047, 4278094, 8556188, 10695235, 17112376, 21390470, 42780940, 85561880]

約数ペア:

[(1, 85561880), (2, 42780940), (4, 21390470), (5, 17112376), (8, 10695235), (10, 8556188), (20, 4278094), (40, 2139047)]