99040000

素因数分解:

$2^8\times 5^4\times {\mathrm{619}}^1$

素因数の和:655

約数の個数: 90

約数和(自身を含む): 247436420

約数和(自身を除く): 148396420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 619, 625, 640, 800, 1000, 1238, 1250, 1280, 1600, 2000, 2476, 2500, 3095, 3200, 4000, 4952, 5000, 6190, 6400, 8000, 9904, 10000, 12380, 15475, 16000, 19808, 20000, 24760, 30950, 32000, 39616, 40000, 49520, 61900, 77375, 79232, 80000, 99040, 123800, 154750, 158464, 160000, 198080, 247600, 309500, 386875, 396160, 495200, 619000, 773750, 792320, 990400, 1238000, 1547500, 1980800, 2476000, 3095000, 3961600, 4952000, 6190000, 9904000, 12380000, 19808000, 24760000, 49520000, 99040000]

約数ペア:

[(1, 99040000), (2, 49520000), (4, 24760000), (5, 19808000), (8, 12380000), (10, 9904000), (16, 6190000), (20, 4952000), (25, 3961600), (32, 3095000), (40, 2476000), (50, 1980800), (64, 1547500), (80, 1238000), (100, 990400), (125, 792320), (128, 773750), (160, 619000), (200, 495200), (250, 396160), (256, 386875), (320, 309500), (400, 247600), (500, 198080), (619, 160000), (625, 158464), (640, 154750), (800, 123800), (1000, 99040), (1238, 80000), (1250, 79232), (1280, 77375), (1600, 61900), (2000, 49520), (2476, 40000), (2500, 39616), (3095, 32000), (3200, 30950), (4000, 24760), (4952, 20000), (5000, 19808), (6190, 16000), (6400, 15475), (8000, 12380), (9904, 10000)]