16404910

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4091}}^1$

素因数の和:4499

約数の個数: 16

約数和(自身を含む): 29609712

約数和(自身を除く): 13204802

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 4091, 8182, 20455, 40910, 1640491, 3280982, 8202455, 16404910]

約数ペア:

[(1, 16404910), (2, 8202455), (5, 3280982), (10, 1640491), (401, 40910), (802, 20455), (2005, 8182), (4010, 4091)]