16814480

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2081}}^1$

素因数の和:2195

約数の個数: 40

約数和(自身を含む): 39499704

約数和(自身を除く): 22685224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 2081, 4040, 4162, 8080, 8324, 10405, 16648, 20810, 33296, 41620, 83240, 166480, 210181, 420362, 840724, 1050905, 1681448, 2101810, 3362896, 4203620, 8407240, 16814480]

約数ペア:

[(1, 16814480), (2, 8407240), (4, 4203620), (5, 3362896), (8, 2101810), (10, 1681448), (16, 1050905), (20, 840724), (40, 420362), (80, 210181), (101, 166480), (202, 83240), (404, 41620), (505, 33296), (808, 20810), (1010, 16648), (1616, 10405), (2020, 8324), (2081, 8080), (4040, 4162)]