210925040

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{10259}}^1$

素因数の和:10529

約数の個数: 40

約数和(自身を含む): 492356880

約数和(自身を除く): 281431840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10259, 10280, 20518, 20560, 41036, 51295, 82072, 102590, 164144, 205180, 410360, 820720, 2636563, 5273126, 10546252, 13182815, 21092504, 26365630, 42185008, 52731260, 105462520, 210925040]

約数ペア:

[(1, 210925040), (2, 105462520), (4, 52731260), (5, 42185008), (8, 26365630), (10, 21092504), (16, 13182815), (20, 10546252), (40, 5273126), (80, 2636563), (257, 820720), (514, 410360), (1028, 205180), (1285, 164144), (2056, 102590), (2570, 82072), (4112, 51295), (5140, 41036), (10259, 20560), (10280, 20518)]