203480920

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{9403}}^1$

素因数の和:9955

約数の個数: 32

約数和(自身を含む): 458727120

約数和(自身を除く): 255246200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 9403, 10820, 18806, 21640, 37612, 47015, 75224, 94030, 188060, 376120, 5087023, 10174046, 20348092, 25435115, 40696184, 50870230, 101740460, 203480920]

約数ペア:

[(1, 203480920), (2, 101740460), (4, 50870230), (5, 40696184), (8, 25435115), (10, 20348092), (20, 10174046), (40, 5087023), (541, 376120), (1082, 188060), (2164, 94030), (2705, 75224), (4328, 47015), (5410, 37612), (9403, 21640), (10820, 18806)]