87776000

素因数分解:

$2^8\times 5^3\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 236597088

約数和(自身を除く): 148821088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 200, 208, 211, 250, 256, 260, 320, 325, 400, 416, 422, 500, 520, 640, 650, 800, 832, 844, 1000, 1040, 1055, 1280, 1300, 1600, 1625, 1664, 1688, 2000, 2080, 2110, 2600, 2743, 3200, 3250, 3328, 3376, 4000, 4160, 4220, 5200, 5275, 5486, 6400, 6500, 6752, 8000, 8320, 8440, 10400, 10550, 10972, 13000, 13504, 13715, 16000, 16640, 16880, 20800, 21100, 21944, 26000, 26375, 27008, 27430, 32000, 33760, 41600, 42200, 43888, 52000, 52750, 54016, 54860, 67520, 68575, 83200, 84400, 87776, 104000, 105500, 109720, 135040, 137150, 168800, 175552, 208000, 211000, 219440, 270080, 274300, 337600, 342875, 351104, 416000, 422000, 438880, 548600, 675200, 685750, 702208, 844000, 877760, 1097200, 1350400, 1371500, 1688000, 1755520, 2194400, 2743000, 3376000, 3511040, 4388800, 5486000, 6752000, 8777600, 10972000, 17555200, 21944000, 43888000, 87776000]

約数ペア:

[(1, 87776000), (2, 43888000), (4, 21944000), (5, 17555200), (8, 10972000), (10, 8777600), (13, 6752000), (16, 5486000), (20, 4388800), (25, 3511040), (26, 3376000), (32, 2743000), (40, 2194400), (50, 1755520), (52, 1688000), (64, 1371500), (65, 1350400), (80, 1097200), (100, 877760), (104, 844000), (125, 702208), (128, 685750), (130, 675200), (160, 548600), (200, 438880), (208, 422000), (211, 416000), (250, 351104), (256, 342875), (260, 337600), (320, 274300), (325, 270080), (400, 219440), (416, 211000), (422, 208000), (500, 175552), (520, 168800), (640, 137150), (650, 135040), (800, 109720), (832, 105500), (844, 104000), (1000, 87776), (1040, 84400), (1055, 83200), (1280, 68575), (1300, 67520), (1600, 54860), (1625, 54016), (1664, 52750), (1688, 52000), (2000, 43888), (2080, 42200), (2110, 41600), (2600, 33760), (2743, 32000), (3200, 27430), (3250, 27008), (3328, 26375), (3376, 26000), (4000, 21944), (4160, 21100), (4220, 20800), (5200, 16880), (5275, 16640), (5486, 16000), (6400, 13715), (6500, 13504), (6752, 13000), (8000, 10972), (8320, 10550), (8440, 10400)]