39879800

素因数分解:

$2^3\times 5^2\times {\mathrm{199399}}^1$

素因数の和:199415

約数の個数: 24

約数和(自身を含む): 92721000

約数和(自身を除く): 52841200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 199399, 398798, 797596, 996995, 1595192, 1993990, 3987980, 4984975, 7975960, 9969950, 19939900, 39879800]

約数ペア:

[(1, 39879800), (2, 19939900), (4, 9969950), (5, 7975960), (8, 4984975), (10, 3987980), (20, 1993990), (25, 1595192), (40, 996995), (50, 797596), (100, 398798), (200, 199399)]