12416080

素因数分解:

$2^4\times 5^1\times {\mathrm{155201}}^1$

素因数の和:155214

約数の個数: 20

約数和(自身を含む): 28867572

約数和(自身を除く): 16451492

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 155201, 310402, 620804, 776005, 1241608, 1552010, 2483216, 3104020, 6208040, 12416080]

約数ペア:

[(1, 12416080), (2, 6208040), (4, 3104020), (5, 2483216), (8, 1552010), (10, 1241608), (16, 776005), (20, 620804), (40, 310402), (80, 155201)]