165712880

素因数分解:

$2^4\times 5^1\times {\mathrm{2071411}}^1$

素因数の和:2071424

約数の個数: 20

約数和(自身を含む): 385282632

約数和(自身を除く): 219569752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2071411, 4142822, 8285644, 10357055, 16571288, 20714110, 33142576, 41428220, 82856440, 165712880]

約数ペア:

[(1, 165712880), (2, 82856440), (4, 41428220), (5, 33142576), (8, 20714110), (10, 16571288), (16, 10357055), (20, 8285644), (40, 4142822), (80, 2071411)]