98080000

素因数分解:

$2^8\times 5^4\times {\mathrm{613}}^1$

素因数の和:649

約数の個数: 90

約数和(自身を含む): 245041874

約数和(自身を除く): 146961874

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, 613, 625, 640, 800, 1000, 1226, 1250, 1280, 1600, 2000, 2452, 2500, 3065, 3200, 4000, 4904, 5000, 6130, 6400, 8000, 9808, 10000, 12260, 15325, 16000, 19616, 20000, 24520, 30650, 32000, 39232, 40000, 49040, 61300, 76625, 78464, 80000, 98080, 122600, 153250, 156928, 160000, 196160, 245200, 306500, 383125, 392320, 490400, 613000, 766250, 784640, 980800, 1226000, 1532500, 1961600, 2452000, 3065000, 3923200, 4904000, 6130000, 9808000, 12260000, 19616000, 24520000, 49040000, 98080000]

約数ペア:

[(1, 98080000), (2, 49040000), (4, 24520000), (5, 19616000), (8, 12260000), (10, 9808000), (16, 6130000), (20, 4904000), (25, 3923200), (32, 3065000), (40, 2452000), (50, 1961600), (64, 1532500), (80, 1226000), (100, 980800), (125, 784640), (128, 766250), (160, 613000), (200, 490400), (250, 392320), (256, 383125), (320, 306500), (400, 245200), (500, 196160), (613, 160000), (625, 156928), (640, 153250), (800, 122600), (1000, 98080), (1226, 80000), (1250, 78464), (1280, 76625), (1600, 61300), (2000, 49040), (2452, 40000), (2500, 39232), (3065, 32000), (3200, 30650), (4000, 24520), (4904, 20000), (5000, 19616), (6130, 16000), (6400, 15325), (8000, 12260), (9808, 10000)]