48800000

素因数分解:

$2^8\times 5^5\times {\mathrm{61}}^1$

素因数の和:102

約数の個数: 108

約数和(自身を含む): 123749892

約数和(自身を除く): 74949892

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, 256, 305, 320, 400, 488, 500, 610, 625, 640, 800, 976, 1000, 1220, 1250, 1280, 1525, 1600, 1952, 2000, 2440, 2500, 3050, 3125, 3200, 3904, 4000, 4880, 5000, 6100, 6250, 6400, 7625, 7808, 8000, 9760, 10000, 12200, 12500, 15250, 15616, 16000, 19520, 20000, 24400, 25000, 30500, 32000, 38125, 39040, 40000, 48800, 50000, 61000, 76250, 78080, 80000, 97600, 100000, 122000, 152500, 160000, 190625, 195200, 200000, 244000, 305000, 381250, 390400, 400000, 488000, 610000, 762500, 800000, 976000, 1220000, 1525000, 1952000, 2440000, 3050000, 4880000, 6100000, 9760000, 12200000, 24400000, 48800000]

約数ペア:

[(1, 48800000), (2, 24400000), (4, 12200000), (5, 9760000), (8, 6100000), (10, 4880000), (16, 3050000), (20, 2440000), (25, 1952000), (32, 1525000), (40, 1220000), (50, 976000), (61, 800000), (64, 762500), (80, 610000), (100, 488000), (122, 400000), (125, 390400), (128, 381250), (160, 305000), (200, 244000), (244, 200000), (250, 195200), (256, 190625), (305, 160000), (320, 152500), (400, 122000), (488, 100000), (500, 97600), (610, 80000), (625, 78080), (640, 76250), (800, 61000), (976, 50000), (1000, 48800), (1220, 40000), (1250, 39040), (1280, 38125), (1525, 32000), (1600, 30500), (1952, 25000), (2000, 24400), (2440, 20000), (2500, 19520), (3050, 16000), (3125, 15616), (3200, 15250), (3904, 12500), (4000, 12200), (4880, 10000), (5000, 9760), (6100, 8000), (6250, 7808), (6400, 7625)]