64399000

素因数分解:

$2^3\times 5^3\times {\mathrm{64399}}^1$

素因数の和:64420

約数の個数: 32

約数和(自身を含む): 150696000

約数和(自身を除く): 86297000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 64399, 128798, 257596, 321995, 515192, 643990, 1287980, 1609975, 2575960, 3219950, 6439900, 8049875, 12879800, 16099750, 32199500, 64399000]

約数ペア:

[(1, 64399000), (2, 32199500), (4, 16099750), (5, 12879800), (8, 8049875), (10, 6439900), (20, 3219950), (25, 2575960), (40, 1609975), (50, 1287980), (100, 643990), (125, 515192), (200, 321995), (250, 257596), (500, 128798), (1000, 64399)]