4880000

素因数分解:

$2^7\times 5^4\times {\mathrm{61}}^1$

素因数の和:95

約数の個数: 80

約数和(自身を含む): 12347610

約数和(自身を除く): 7467610

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 64, 80, 100, 122, 125, 128, 160, 200, 244, 250, 305, 320, 400, 488, 500, 610, 625, 640, 800, 976, 1000, 1220, 1250, 1525, 1600, 1952, 2000, 2440, 2500, 3050, 3200, 3904, 4000, 4880, 5000, 6100, 7625, 7808, 8000, 9760, 10000, 12200, 15250, 16000, 19520, 20000, 24400, 30500, 38125, 39040, 40000, 48800, 61000, 76250, 80000, 97600, 122000, 152500, 195200, 244000, 305000, 488000, 610000, 976000, 1220000, 2440000, 4880000]

約数ペア:

[(1, 4880000), (2, 2440000), (4, 1220000), (5, 976000), (8, 610000), (10, 488000), (16, 305000), (20, 244000), (25, 195200), (32, 152500), (40, 122000), (50, 97600), (61, 80000), (64, 76250), (80, 61000), (100, 48800), (122, 40000), (125, 39040), (128, 38125), (160, 30500), (200, 24400), (244, 20000), (250, 19520), (305, 16000), (320, 15250), (400, 12200), (488, 10000), (500, 9760), (610, 8000), (625, 7808), (640, 7625), (800, 6100), (976, 5000), (1000, 4880), (1220, 4000), (1250, 3904), (1525, 3200), (1600, 3050), (1952, 2500), (2000, 2440)]