129520000

素因数分解:

$2^7\times 5^4\times {\mathrm{1619}}^1$

素因数の和:1653

約数の個数: 80

約数和(自身を含む): 322631100

約数和(自身を除く): 193111100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 1000, 1250, 1600, 1619, 2000, 2500, 3200, 3238, 4000, 5000, 6476, 8000, 8095, 10000, 12952, 16000, 16190, 20000, 25904, 32380, 40000, 40475, 51808, 64760, 80000, 80950, 103616, 129520, 161900, 202375, 207232, 259040, 323800, 404750, 518080, 647600, 809500, 1011875, 1036160, 1295200, 1619000, 2023750, 2590400, 3238000, 4047500, 5180800, 6476000, 8095000, 12952000, 16190000, 25904000, 32380000, 64760000, 129520000]

約数ペア:

[(1, 129520000), (2, 64760000), (4, 32380000), (5, 25904000), (8, 16190000), (10, 12952000), (16, 8095000), (20, 6476000), (25, 5180800), (32, 4047500), (40, 3238000), (50, 2590400), (64, 2023750), (80, 1619000), (100, 1295200), (125, 1036160), (128, 1011875), (160, 809500), (200, 647600), (250, 518080), (320, 404750), (400, 323800), (500, 259040), (625, 207232), (640, 202375), (800, 161900), (1000, 129520), (1250, 103616), (1600, 80950), (1619, 80000), (2000, 64760), (2500, 51808), (3200, 40475), (3238, 40000), (4000, 32380), (5000, 25904), (6476, 20000), (8000, 16190), (8095, 16000), (10000, 12952)]