85728820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{821}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 188915328

約数和(自身を除く): 103186508

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 227, 230, 454, 460, 821, 908, 1135, 1642, 2270, 3284, 4105, 4540, 5221, 8210, 10442, 16420, 18883, 20884, 26105, 37766, 52210, 75532, 94415, 104420, 186367, 188830, 372734, 377660, 745468, 931835, 1863670, 3727340, 4286441, 8572882, 17145764, 21432205, 42864410, 85728820]

約数ペア:

[(1, 85728820), (2, 42864410), (4, 21432205), (5, 17145764), (10, 8572882), (20, 4286441), (23, 3727340), (46, 1863670), (92, 931835), (115, 745468), (227, 377660), (230, 372734), (454, 188830), (460, 186367), (821, 104420), (908, 94415), (1135, 75532), (1642, 52210), (2270, 37766), (3284, 26105), (4105, 20884), (4540, 18883), (5221, 16420), (8210, 10442)]