172077761780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{209850929}}^1$

素因数の和:209850979

約数の個数: 24

約数和(自身を含む): 370177040520

約数和(自身を除く): 198099278740

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 209850929, 419701858, 839403716, 1049254645, 2098509290, 4197018580, 8603888089, 17207776178, 34415552356, 43019440445, 86038880890, 172077761780]

約数ペア:

[(1, 172077761780), (2, 86038880890), (4, 43019440445), (5, 34415552356), (10, 17207776178), (20, 8603888089), (41, 4197018580), (82, 2098509290), (164, 1049254645), (205, 839403716), (410, 419701858), (820, 209850929)]