4448000

素因数分解:

$2^8\times 5^3\times {\mathrm{139}}^1$

素因数の和:170

約数の個数: 72

約数和(自身を含む): 11160240

約数和(自身を除く): 6712240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 139, 160, 200, 250, 256, 278, 320, 400, 500, 556, 640, 695, 800, 1000, 1112, 1280, 1390, 1600, 2000, 2224, 2780, 3200, 3475, 4000, 4448, 5560, 6400, 6950, 8000, 8896, 11120, 13900, 16000, 17375, 17792, 22240, 27800, 32000, 34750, 35584, 44480, 55600, 69500, 88960, 111200, 139000, 177920, 222400, 278000, 444800, 556000, 889600, 1112000, 2224000, 4448000]

約数ペア:

[(1, 4448000), (2, 2224000), (4, 1112000), (5, 889600), (8, 556000), (10, 444800), (16, 278000), (20, 222400), (25, 177920), (32, 139000), (40, 111200), (50, 88960), (64, 69500), (80, 55600), (100, 44480), (125, 35584), (128, 34750), (139, 32000), (160, 27800), (200, 22240), (250, 17792), (256, 17375), (278, 16000), (320, 13900), (400, 11120), (500, 8896), (556, 8000), (640, 6950), (695, 6400), (800, 5560), (1000, 4448), (1112, 4000), (1280, 3475), (1390, 3200), (1600, 2780), (2000, 2224)]