201317980

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{24611}}^1$

素因数の和:25029

約数の個数: 24

約数和(自身を含む): 423818640

約数和(自身を除く): 222500660

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 24611, 49222, 98444, 123055, 246110, 492220, 10065899, 20131798, 40263596, 50329495, 100658990, 201317980]

約数ペア:

[(1, 201317980), (2, 100658990), (4, 50329495), (5, 40263596), (10, 20131798), (20, 10065899), (409, 492220), (818, 246110), (1636, 123055), (2045, 98444), (4090, 49222), (8180, 24611)]