98960000

素因数分解:

$2^7\times 5^4\times {\mathrm{1237}}^1$

素因数の和:1271

約数の個数: 80

約数和(自身を含む): 246553890

約数和(自身を除く): 147593890

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, 1237, 1250, 1600, 2000, 2474, 2500, 3200, 4000, 4948, 5000, 6185, 8000, 9896, 10000, 12370, 16000, 19792, 20000, 24740, 30925, 39584, 40000, 49480, 61850, 79168, 80000, 98960, 123700, 154625, 158336, 197920, 247400, 309250, 395840, 494800, 618500, 773125, 791680, 989600, 1237000, 1546250, 1979200, 2474000, 3092500, 3958400, 4948000, 6185000, 9896000, 12370000, 19792000, 24740000, 49480000, 98960000]

約数ペア:

[(1, 98960000), (2, 49480000), (4, 24740000), (5, 19792000), (8, 12370000), (10, 9896000), (16, 6185000), (20, 4948000), (25, 3958400), (32, 3092500), (40, 2474000), (50, 1979200), (64, 1546250), (80, 1237000), (100, 989600), (125, 791680), (128, 773125), (160, 618500), (200, 494800), (250, 395840), (320, 309250), (400, 247400), (500, 197920), (625, 158336), (640, 154625), (800, 123700), (1000, 98960), (1237, 80000), (1250, 79168), (1600, 61850), (2000, 49480), (2474, 40000), (2500, 39584), (3200, 30925), (4000, 24740), (4948, 20000), (5000, 19792), (6185, 16000), (8000, 12370), (9896, 10000)]