87872000

素因数分解:

$2^9\times 5^3\times {\mathrm{1373}}^1$

素因数の和:1406

約数の個数: 80

約数和(自身を含む): 219273912

約数和(自身を除く): 131401912

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, 512, 640, 800, 1000, 1280, 1373, 1600, 2000, 2560, 2746, 3200, 4000, 5492, 6400, 6865, 8000, 10984, 12800, 13730, 16000, 21968, 27460, 32000, 34325, 43936, 54920, 64000, 68650, 87872, 109840, 137300, 171625, 175744, 219680, 274600, 343250, 351488, 439360, 549200, 686500, 702976, 878720, 1098400, 1373000, 1757440, 2196800, 2746000, 3514880, 4393600, 5492000, 8787200, 10984000, 17574400, 21968000, 43936000, 87872000]

約数ペア:

[(1, 87872000), (2, 43936000), (4, 21968000), (5, 17574400), (8, 10984000), (10, 8787200), (16, 5492000), (20, 4393600), (25, 3514880), (32, 2746000), (40, 2196800), (50, 1757440), (64, 1373000), (80, 1098400), (100, 878720), (125, 702976), (128, 686500), (160, 549200), (200, 439360), (250, 351488), (256, 343250), (320, 274600), (400, 219680), (500, 175744), (512, 171625), (640, 137300), (800, 109840), (1000, 87872), (1280, 68650), (1373, 64000), (1600, 54920), (2000, 43936), (2560, 34325), (2746, 32000), (3200, 27460), (4000, 21968), (5492, 16000), (6400, 13730), (6865, 12800), (8000, 10984)]