128496080

素因数分解:

$2^4\times 5^1\times {\mathrm{1606201}}^1$

素因数の和:1606214

約数の個数: 20

約数和(自身を含む): 298753572

約数和(自身を除く): 170257492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1606201, 3212402, 6424804, 8031005, 12849608, 16062010, 25699216, 32124020, 64248040, 128496080]

約数ペア:

[(1, 128496080), (2, 64248040), (4, 32124020), (5, 25699216), (8, 16062010), (10, 12849608), (16, 8031005), (20, 6424804), (40, 3212402), (80, 1606201)]