6689680

素因数分解:

$2^4\times 5^1\times {\mathrm{83621}}^1$

素因数の和:83634

約数の個数: 20

約数和(自身を含む): 15553692

約数和(自身を除く): 8864012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83621, 167242, 334484, 418105, 668968, 836210, 1337936, 1672420, 3344840, 6689680]

約数ペア:

[(1, 6689680), (2, 3344840), (4, 1672420), (5, 1337936), (8, 836210), (10, 668968), (16, 418105), (20, 334484), (40, 167242), (80, 83621)]