20153600

素因数分解:

$2^8\times 5^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 108

約数和(自身を含む): 51705024

約数和(自身を除く): 31551424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 47, 50, 64, 67, 80, 94, 100, 128, 134, 160, 188, 200, 235, 256, 268, 320, 335, 376, 400, 470, 536, 640, 670, 752, 800, 940, 1072, 1175, 1280, 1340, 1504, 1600, 1675, 1880, 2144, 2350, 2680, 3008, 3149, 3200, 3350, 3760, 4288, 4700, 5360, 6016, 6298, 6400, 6700, 7520, 8576, 9400, 10720, 12032, 12596, 13400, 15040, 15745, 17152, 18800, 21440, 25192, 26800, 30080, 31490, 37600, 42880, 50384, 53600, 60160, 62980, 75200, 78725, 85760, 100768, 107200, 125960, 150400, 157450, 201536, 214400, 251920, 300800, 314900, 403072, 428800, 503840, 629800, 806144, 1007680, 1259600, 2015360, 2519200, 4030720, 5038400, 10076800, 20153600]

約数ペア:

[(1, 20153600), (2, 10076800), (4, 5038400), (5, 4030720), (8, 2519200), (10, 2015360), (16, 1259600), (20, 1007680), (25, 806144), (32, 629800), (40, 503840), (47, 428800), (50, 403072), (64, 314900), (67, 300800), (80, 251920), (94, 214400), (100, 201536), (128, 157450), (134, 150400), (160, 125960), (188, 107200), (200, 100768), (235, 85760), (256, 78725), (268, 75200), (320, 62980), (335, 60160), (376, 53600), (400, 50384), (470, 42880), (536, 37600), (640, 31490), (670, 30080), (752, 26800), (800, 25192), (940, 21440), (1072, 18800), (1175, 17152), (1280, 15745), (1340, 15040), (1504, 13400), (1600, 12596), (1675, 12032), (1880, 10720), (2144, 9400), (2350, 8576), (2680, 7520), (3008, 6700), (3149, 6400), (3200, 6298), (3350, 6016), (3760, 5360), (4288, 4700)]