173829520

素因数分解:

$2^4\times 5^1\times {\mathrm{2172869}}^1$

素因数の和:2172882

約数の個数: 20

約数和(自身を含む): 404153820

約数和(自身を除く): 230324300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2172869, 4345738, 8691476, 10864345, 17382952, 21728690, 34765904, 43457380, 86914760, 173829520]

約数ペア:

[(1, 173829520), (2, 86914760), (4, 43457380), (5, 34765904), (8, 21728690), (10, 17382952), (16, 10864345), (20, 8691476), (40, 4345738), (80, 2172869)]