1081600

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^2$

素因数の和:52

約数の個数: 81

約数和(自身を含む): 2898903

約数和(自身を除く): 1817303

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, 520, 640, 650, 676, 800, 832, 845, 1040, 1280, 1300, 1352, 1600, 1664, 1690, 2080, 2600, 2704, 3200, 3328, 3380, 4160, 4225, 5200, 5408, 6400, 6760, 8320, 8450, 10400, 10816, 13520, 16640, 16900, 20800, 21632, 27040, 33800, 41600, 43264, 54080, 67600, 83200, 108160, 135200, 216320, 270400, 540800, 1081600]

約数ペア:

[(1, 1081600), (2, 540800), (4, 270400), (5, 216320), (8, 135200), (10, 108160), (13, 83200), (16, 67600), (20, 54080), (25, 43264), (26, 41600), (32, 33800), (40, 27040), (50, 21632), (52, 20800), (64, 16900), (65, 16640), (80, 13520), (100, 10816), (104, 10400), (128, 8450), (130, 8320), (160, 6760), (169, 6400), (200, 5408), (208, 5200), (256, 4225), (260, 4160), (320, 3380), (325, 3328), (338, 3200), (400, 2704), (416, 2600), (520, 2080), (640, 1690), (650, 1664), (676, 1600), (800, 1352), (832, 1300), (845, 1280)]