205255580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{218357}}^1$

素因数の和:218413

約数の個数: 24

約数和(自身を含む): 440209728

約数和(自身を除く): 234954148

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 218357, 436714, 873428, 1091785, 2183570, 4367140, 10262779, 20525558, 41051116, 51313895, 102627790, 205255580]

約数ペア:

[(1, 205255580), (2, 102627790), (4, 51313895), (5, 41051116), (10, 20525558), (20, 10262779), (47, 4367140), (94, 2183570), (188, 1091785), (235, 873428), (470, 436714), (940, 218357)]