80438036

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{66809}}^1$

素因数の和:66863

約数の個数: 24

約数和(自身を含む): 164619840

約数和(自身を除く): 84181804

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 66809, 133618, 267236, 467663, 935326, 1870652, 2872787, 5745574, 11491148, 20109509, 40219018, 80438036]

約数ペア:

[(1, 80438036), (2, 40219018), (4, 20109509), (7, 11491148), (14, 5745574), (28, 2872787), (43, 1870652), (86, 935326), (172, 467663), (301, 267236), (602, 133618), (1204, 66809)]