204553990

素因数分解:

$2^1\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{12619}}^1$

素因数の和:14247

約数の個数: 16

約数和(自身を含む): 368453520

約数和(自身を除く): 163899530

約数列:

[1, 2, 5, 10, 1621, 3242, 8105, 12619, 16210, 25238, 63095, 126190, 20455399, 40910798, 102276995, 204553990]

約数ペア:

[(1, 204553990), (2, 102276995), (5, 40910798), (10, 20455399), (1621, 126190), (3242, 63095), (8105, 25238), (12619, 16210)]