40123804

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20183}}^1$

素因数の和:20265

約数の個数: 24

約数和(自身を含む): 81381888

約数和(自身を除く): 41258084

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 20183, 40366, 80732, 141281, 282562, 565124, 1432993, 2865986, 5731972, 10030951, 20061902, 40123804]

約数ペア:

[(1, 40123804), (2, 20061902), (4, 10030951), (7, 5731972), (14, 2865986), (28, 1432993), (71, 565124), (142, 282562), (284, 141281), (497, 80732), (994, 40366), (1988, 20183)]