208403710

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{51971}}^1$

素因数の和:52379

約数の個数: 16

約数和(自身を含む): 376069392

約数和(自身を除く): 167665682

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 51971, 103942, 259855, 519710, 20840371, 41680742, 104201855, 208403710]

約数ペア:

[(1, 208403710), (2, 104201855), (5, 41680742), (10, 20840371), (401, 519710), (802, 259855), (2005, 103942), (4010, 51971)]