89120000

素因数分解:

$2^8\times 5^4\times {\mathrm{557}}^1$

素因数の和:593

約数の個数: 90

約数和(自身を含む): 222692778

約数和(自身を除く): 133572778

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, 557, 625, 640, 800, 1000, 1114, 1250, 1280, 1600, 2000, 2228, 2500, 2785, 3200, 4000, 4456, 5000, 5570, 6400, 8000, 8912, 10000, 11140, 13925, 16000, 17824, 20000, 22280, 27850, 32000, 35648, 40000, 44560, 55700, 69625, 71296, 80000, 89120, 111400, 139250, 142592, 160000, 178240, 222800, 278500, 348125, 356480, 445600, 557000, 696250, 712960, 891200, 1114000, 1392500, 1782400, 2228000, 2785000, 3564800, 4456000, 5570000, 8912000, 11140000, 17824000, 22280000, 44560000, 89120000]

約数ペア:

[(1, 89120000), (2, 44560000), (4, 22280000), (5, 17824000), (8, 11140000), (10, 8912000), (16, 5570000), (20, 4456000), (25, 3564800), (32, 2785000), (40, 2228000), (50, 1782400), (64, 1392500), (80, 1114000), (100, 891200), (125, 712960), (128, 696250), (160, 557000), (200, 445600), (250, 356480), (256, 348125), (320, 278500), (400, 222800), (500, 178240), (557, 160000), (625, 142592), (640, 139250), (800, 111400), (1000, 89120), (1114, 80000), (1250, 71296), (1280, 69625), (1600, 55700), (2000, 44560), (2228, 40000), (2500, 35648), (2785, 32000), (3200, 27850), (4000, 22280), (4456, 20000), (5000, 17824), (5570, 16000), (6400, 13925), (8000, 11140), (8912, 10000)]