16253140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{18899}}^1$

素因数の和:18951

約数の個数: 24

約数和(自身を含む): 34927200

約数和(自身を除く): 18674060

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 18899, 37798, 75596, 94495, 188990, 377980, 812657, 1625314, 3250628, 4063285, 8126570, 16253140]

約数ペア:

[(1, 16253140), (2, 8126570), (4, 4063285), (5, 3250628), (10, 1625314), (20, 812657), (43, 377980), (86, 188990), (172, 94495), (215, 75596), (430, 37798), (860, 18899)]