85528280

素因数分解:

$2^3\times 5^1\times {\mathrm{2138207}}^1$

素因数の和:2138218

約数の個数: 16

約数和(自身を含む): 192438720

約数和(自身を除く): 106910440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2138207, 4276414, 8552828, 10691035, 17105656, 21382070, 42764140, 85528280]

約数ペア:

[(1, 85528280), (2, 42764140), (4, 21382070), (5, 17105656), (8, 10691035), (10, 8552828), (20, 4276414), (40, 2138207)]