4778000

素因数分解:

$2^4\times 5^3\times {\mathrm{2389}}^1$

素因数の和:2412

約数の個数: 40

約数和(自身を含む): 11558040

約数和(自身を除く): 6780040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 2389, 4778, 9556, 11945, 19112, 23890, 38224, 47780, 59725, 95560, 119450, 191120, 238900, 298625, 477800, 597250, 955600, 1194500, 2389000, 4778000]

約数ペア:

[(1, 4778000), (2, 2389000), (4, 1194500), (5, 955600), (8, 597250), (10, 477800), (16, 298625), (20, 238900), (25, 191120), (40, 119450), (50, 95560), (80, 59725), (100, 47780), (125, 38224), (200, 23890), (250, 19112), (400, 11945), (500, 9556), (1000, 4778), (2000, 2389)]