21632000

素因数分解:

$2^{10}\times 5^3\times {\mathrm{13}}^2$

素因数の和:61

約数の個数: 132

約数和(自身を含む): 58437756

約数和(自身を除く): 36805756

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, 169, 200, 208, 250, 256, 260, 320, 325, 338, 400, 416, 500, 512, 520, 640, 650, 676, 800, 832, 845, 1000, 1024, 1040, 1280, 1300, 1352, 1600, 1625, 1664, 1690, 2000, 2080, 2560, 2600, 2704, 3200, 3250, 3328, 3380, 4000, 4160, 4225, 5120, 5200, 5408, 6400, 6500, 6656, 6760, 8000, 8320, 8450, 10400, 10816, 12800, 13000, 13312, 13520, 16000, 16640, 16900, 20800, 21125, 21632, 25600, 26000, 27040, 32000, 33280, 33800, 41600, 42250, 43264, 52000, 54080, 64000, 66560, 67600, 83200, 84500, 86528, 104000, 108160, 128000, 135200, 166400, 169000, 173056, 208000, 216320, 270400, 332800, 338000, 416000, 432640, 540800, 676000, 832000, 865280, 1081600, 1352000, 1664000, 2163200, 2704000, 4326400, 5408000, 10816000, 21632000]

約数ペア:

[(1, 21632000), (2, 10816000), (4, 5408000), (5, 4326400), (8, 2704000), (10, 2163200), (13, 1664000), (16, 1352000), (20, 1081600), (25, 865280), (26, 832000), (32, 676000), (40, 540800), (50, 432640), (52, 416000), (64, 338000), (65, 332800), (80, 270400), (100, 216320), (104, 208000), (125, 173056), (128, 169000), (130, 166400), (160, 135200), (169, 128000), (200, 108160), (208, 104000), (250, 86528), (256, 84500), (260, 83200), (320, 67600), (325, 66560), (338, 64000), (400, 54080), (416, 52000), (500, 43264), (512, 42250), (520, 41600), (640, 33800), (650, 33280), (676, 32000), (800, 27040), (832, 26000), (845, 25600), (1000, 21632), (1024, 21125), (1040, 20800), (1280, 16900), (1300, 16640), (1352, 16000), (1600, 13520), (1625, 13312), (1664, 13000), (1690, 12800), (2000, 10816), (2080, 10400), (2560, 8450), (2600, 8320), (2704, 8000), (3200, 6760), (3250, 6656), (3328, 6500), (3380, 6400), (4000, 5408), (4160, 5200), (4225, 5120)]