202012400

素因数分解:

$2^4\times 5^2\times {\mathrm{505031}}^1$

素因数の和:505049

約数の個数: 30

約数和(自身を含む): 485335752

約数和(自身を除く): 283323352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 505031, 1010062, 2020124, 2525155, 4040248, 5050310, 8080496, 10100620, 12625775, 20201240, 25251550, 40402480, 50503100, 101006200, 202012400]

約数ペア:

[(1, 202012400), (2, 101006200), (4, 50503100), (5, 40402480), (8, 25251550), (10, 20201240), (16, 12625775), (20, 10100620), (25, 8080496), (40, 5050310), (50, 4040248), (80, 2525155), (100, 2020124), (200, 1010062), (400, 505031)]