86720000

素因数分解:

$2^9\times 5^4\times {\mathrm{271}}^1$

素因数の和:309

約数の個数: 100

約数和(自身を含む): 217317936

約数和(自身を除く): 130597936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 271, 320, 400, 500, 512, 542, 625, 640, 800, 1000, 1084, 1250, 1280, 1355, 1600, 2000, 2168, 2500, 2560, 2710, 3200, 4000, 4336, 5000, 5420, 6400, 6775, 8000, 8672, 10000, 10840, 12800, 13550, 16000, 17344, 20000, 21680, 27100, 32000, 33875, 34688, 40000, 43360, 54200, 64000, 67750, 69376, 80000, 86720, 108400, 135500, 138752, 160000, 169375, 173440, 216800, 271000, 320000, 338750, 346880, 433600, 542000, 677500, 693760, 867200, 1084000, 1355000, 1734400, 2168000, 2710000, 3468800, 4336000, 5420000, 8672000, 10840000, 17344000, 21680000, 43360000, 86720000]

約数ペア:

[(1, 86720000), (2, 43360000), (4, 21680000), (5, 17344000), (8, 10840000), (10, 8672000), (16, 5420000), (20, 4336000), (25, 3468800), (32, 2710000), (40, 2168000), (50, 1734400), (64, 1355000), (80, 1084000), (100, 867200), (125, 693760), (128, 677500), (160, 542000), (200, 433600), (250, 346880), (256, 338750), (271, 320000), (320, 271000), (400, 216800), (500, 173440), (512, 169375), (542, 160000), (625, 138752), (640, 135500), (800, 108400), (1000, 86720), (1084, 80000), (1250, 69376), (1280, 67750), (1355, 64000), (1600, 54200), (2000, 43360), (2168, 40000), (2500, 34688), (2560, 33875), (2710, 32000), (3200, 27100), (4000, 21680), (4336, 20000), (5000, 17344), (5420, 16000), (6400, 13550), (6775, 12800), (8000, 10840), (8672, 10000)]