16844840

素因数分解:

$2^3\times 5^1\times {\mathrm{421121}}^1$

素因数の和:421132

約数の個数: 16

約数和(自身を含む): 37900980

約数和(自身を除く): 21056140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421121, 842242, 1684484, 2105605, 3368968, 4211210, 8422420, 16844840]

約数ペア:

[(1, 16844840), (2, 8422420), (4, 4211210), (5, 3368968), (8, 2105605), (10, 1684484), (20, 842242), (40, 421121)]