121913620

素因数分解:

$2^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{4729}}^1$

素因数の和:6027

約数の個数: 24

約数和(自身を含む): 256271400

約数和(自身を除く): 134357780

約数列:

[1, 2, 4, 5, 10, 20, 1289, 2578, 4729, 5156, 6445, 9458, 12890, 18916, 23645, 25780, 47290, 94580, 6095681, 12191362, 24382724, 30478405, 60956810, 121913620]

約数ペア:

[(1, 121913620), (2, 60956810), (4, 30478405), (5, 24382724), (10, 12191362), (20, 6095681), (1289, 94580), (2578, 47290), (4729, 25780), (5156, 23645), (6445, 18916), (9458, 12890)]