208480000

素因数分解:

$2^8\times 5^4\times {\mathrm{1303}}^1$

素因数の和:1339

約数の個数: 90

約数和(自身を含む): 520414664

約数和(自身を除く): 311934664

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, 625, 640, 800, 1000, 1250, 1280, 1303, 1600, 2000, 2500, 2606, 3200, 4000, 5000, 5212, 6400, 6515, 8000, 10000, 10424, 13030, 16000, 20000, 20848, 26060, 32000, 32575, 40000, 41696, 52120, 65150, 80000, 83392, 104240, 130300, 160000, 162875, 166784, 208480, 260600, 325750, 333568, 416960, 521200, 651500, 814375, 833920, 1042400, 1303000, 1628750, 1667840, 2084800, 2606000, 3257500, 4169600, 5212000, 6515000, 8339200, 10424000, 13030000, 20848000, 26060000, 41696000, 52120000, 104240000, 208480000]

約数ペア:

[(1, 208480000), (2, 104240000), (4, 52120000), (5, 41696000), (8, 26060000), (10, 20848000), (16, 13030000), (20, 10424000), (25, 8339200), (32, 6515000), (40, 5212000), (50, 4169600), (64, 3257500), (80, 2606000), (100, 2084800), (125, 1667840), (128, 1628750), (160, 1303000), (200, 1042400), (250, 833920), (256, 814375), (320, 651500), (400, 521200), (500, 416960), (625, 333568), (640, 325750), (800, 260600), (1000, 208480), (1250, 166784), (1280, 162875), (1303, 160000), (1600, 130300), (2000, 104240), (2500, 83392), (2606, 80000), (3200, 65150), (4000, 52120), (5000, 41696), (5212, 40000), (6400, 32575), (6515, 32000), (8000, 26060), (10000, 20848), (10424, 20000), (13030, 16000)]