40206928

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{4937}}^1$

素因数の和:5454

約数の個数: 20

約数和(自身を含む): 78069780

約数和(自身を除く): 37862852

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 4937, 8144, 9874, 19748, 39496, 78992, 2512933, 5025866, 10051732, 20103464, 40206928]

約数ペア:

[(1, 40206928), (2, 20103464), (4, 10051732), (8, 5025866), (16, 2512933), (509, 78992), (1018, 39496), (2036, 19748), (4072, 9874), (4937, 8144)]