205317504020

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{80833663}}^1$

素因数の和:80833799

約数の個数: 24

約数和(自身を含む): 434561777664

約数和(自身を除く): 229244273644

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 80833663, 161667326, 323334652, 404168315, 808336630, 1616673260, 10265875201, 20531750402, 41063500804, 51329376005, 102658752010, 205317504020]

約数ペア:

[(1, 205317504020), (2, 102658752010), (4, 51329376005), (5, 41063500804), (10, 20531750402), (20, 10265875201), (127, 1616673260), (254, 808336630), (508, 404168315), (635, 323334652), (1270, 161667326), (2540, 80833663)]