25446440

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{1163}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 57408480

約数和(自身を除く): 31962040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 1094, 1163, 2188, 2326, 2735, 4376, 4652, 5470, 5815, 9304, 10940, 11630, 21880, 23260, 46520, 636161, 1272322, 2544644, 3180805, 5089288, 6361610, 12723220, 25446440]

約数ペア:

[(1, 25446440), (2, 12723220), (4, 6361610), (5, 5089288), (8, 3180805), (10, 2544644), (20, 1272322), (40, 636161), (547, 46520), (1094, 23260), (1163, 21880), (2188, 11630), (2326, 10940), (2735, 9304), (4376, 5815), (4652, 5470)]