17943280

素因数分解:

$2^4\times 5^1\times {\mathrm{224291}}^1$

素因数の和:224304

約数の個数: 20

約数和(自身を含む): 41718312

約数和(自身を除く): 23775032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 224291, 448582, 897164, 1121455, 1794328, 2242910, 3588656, 4485820, 8971640, 17943280]

約数ペア:

[(1, 17943280), (2, 8971640), (4, 4485820), (5, 3588656), (8, 2242910), (10, 1794328), (16, 1121455), (20, 897164), (40, 448582), (80, 224291)]