168551720

素因数分解:

$2^3\times 5^1\times {\mathrm{4213793}}^1$

素因数の和:4213804

約数の個数: 16

約数和(自身を含む): 379241460

約数和(自身を除く): 210689740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4213793, 8427586, 16855172, 21068965, 33710344, 42137930, 84275860, 168551720]

約数ペア:

[(1, 168551720), (2, 84275860), (4, 42137930), (5, 33710344), (8, 21068965), (10, 16855172), (20, 8427586), (40, 4213793)]