87081140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{256121}}^1$

素因数の和:256147

約数の個数: 24

約数和(自身を含む): 193628232

約数和(自身を除く): 106547092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 256121, 512242, 1024484, 1280605, 2561210, 4354057, 5122420, 8708114, 17416228, 21770285, 43540570, 87081140]

約数ペア:

[(1, 87081140), (2, 43540570), (4, 21770285), (5, 17416228), (10, 8708114), (17, 5122420), (20, 4354057), (34, 2561210), (68, 1280605), (85, 1024484), (170, 512242), (340, 256121)]