204025900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{156943}}^1$

素因数の和:156970

約数の個数: 36

約数和(自身を含む): 476795872

約数和(自身を除く): 272769972

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 156943, 313886, 627772, 784715, 1569430, 2040259, 3138860, 3923575, 4080518, 7847150, 8161036, 10201295, 15694300, 20402590, 40805180, 51006475, 102012950, 204025900]

約数ペア:

[(1, 204025900), (2, 102012950), (4, 51006475), (5, 40805180), (10, 20402590), (13, 15694300), (20, 10201295), (25, 8161036), (26, 7847150), (50, 4080518), (52, 3923575), (65, 3138860), (100, 2040259), (130, 1569430), (260, 784715), (325, 627772), (650, 313886), (1300, 156943)]