213152080

素因数分解:

$2^4\times 5^1\times {\mathrm{2664401}}^1$

素因数の和:2664414

約数の個数: 20

約数和(自身を含む): 495578772

約数和(自身を除く): 282426692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2664401, 5328802, 10657604, 13322005, 21315208, 26644010, 42630416, 53288020, 106576040, 213152080]

約数ペア:

[(1, 213152080), (2, 106576040), (4, 53288020), (5, 42630416), (8, 26644010), (10, 21315208), (16, 13322005), (20, 10657604), (40, 5328802), (80, 2664401)]