870895120

素因数分解:

$2^4\times 5^1\times {\mathrm{10886189}}^1$

素因数の和:10886202

約数の個数: 20

約数和(自身を含む): 2024831340

約数和(自身を除く): 1153936220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10886189, 21772378, 43544756, 54430945, 87089512, 108861890, 174179024, 217723780, 435447560, 870895120]

約数ペア:

[(1, 870895120), (2, 435447560), (4, 217723780), (5, 174179024), (8, 108861890), (10, 87089512), (16, 54430945), (20, 43544756), (40, 21772378), (80, 10886189)]