8652800

素因数分解:

$2^{11}\times 5^2\times {\mathrm{13}}^2$

素因数の和:58

約数の個数: 108

約数和(自身を含む): 23230935

約数和(自身を除く): 14578135

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 169, 200, 208, 256, 260, 320, 325, 338, 400, 416, 512, 520, 640, 650, 676, 800, 832, 845, 1024, 1040, 1280, 1300, 1352, 1600, 1664, 1690, 2048, 2080, 2560, 2600, 2704, 3200, 3328, 3380, 4160, 4225, 5120, 5200, 5408, 6400, 6656, 6760, 8320, 8450, 10240, 10400, 10816, 12800, 13312, 13520, 16640, 16900, 20800, 21632, 25600, 26624, 27040, 33280, 33800, 41600, 43264, 51200, 54080, 66560, 67600, 83200, 86528, 108160, 133120, 135200, 166400, 173056, 216320, 270400, 332800, 346112, 432640, 540800, 665600, 865280, 1081600, 1730560, 2163200, 4326400, 8652800]

約数ペア:

[(1, 8652800), (2, 4326400), (4, 2163200), (5, 1730560), (8, 1081600), (10, 865280), (13, 665600), (16, 540800), (20, 432640), (25, 346112), (26, 332800), (32, 270400), (40, 216320), (50, 173056), (52, 166400), (64, 135200), (65, 133120), (80, 108160), (100, 86528), (104, 83200), (128, 67600), (130, 66560), (160, 54080), (169, 51200), (200, 43264), (208, 41600), (256, 33800), (260, 33280), (320, 27040), (325, 26624), (338, 25600), (400, 21632), (416, 20800), (512, 16900), (520, 16640), (640, 13520), (650, 13312), (676, 12800), (800, 10816), (832, 10400), (845, 10240), (1024, 8450), (1040, 8320), (1280, 6760), (1300, 6656), (1352, 6400), (1600, 5408), (1664, 5200), (1690, 5120), (2048, 4225), (2080, 4160), (2560, 3380), (2600, 3328), (2704, 3200)]