17404040

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1693}}^1$

素因数の和:1961

約数の個数: 32

約数和(自身を含む): 39334680

約数和(自身を除く): 21930640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 1693, 2056, 2570, 3386, 5140, 6772, 8465, 10280, 13544, 16930, 33860, 67720, 435101, 870202, 1740404, 2175505, 3480808, 4351010, 8702020, 17404040]

約数ペア:

[(1, 17404040), (2, 8702020), (4, 4351010), (5, 3480808), (8, 2175505), (10, 1740404), (20, 870202), (40, 435101), (257, 67720), (514, 33860), (1028, 16930), (1285, 13544), (1693, 10280), (2056, 8465), (2570, 6772), (3386, 5140)]