6417680

素因数分解:

$2^4\times 5^1\times {\mathrm{80221}}^1$

素因数の和:80234

約数の個数: 20

約数和(自身を含む): 14921292

約数和(自身を除く): 8503612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 80221, 160442, 320884, 401105, 641768, 802210, 1283536, 1604420, 3208840, 6417680]

約数ペア:

[(1, 6417680), (2, 3208840), (4, 1604420), (5, 1283536), (8, 802210), (10, 641768), (16, 401105), (20, 320884), (40, 160442), (80, 80221)]