40307200

素因数分解:

$2^9\times 5^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 120

約数和(自身を含む): 103511232

約数和(自身を除く): 63204032

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, 512, 536, 640, 670, 752, 800, 940, 1072, 1175, 1280, 1340, 1504, 1600, 1675, 1880, 2144, 2350, 2560, 2680, 3008, 3149, 3200, 3350, 3760, 4288, 4700, 5360, 6016, 6298, 6400, 6700, 7520, 8576, 9400, 10720, 12032, 12596, 12800, 13400, 15040, 15745, 17152, 18800, 21440, 24064, 25192, 26800, 30080, 31490, 34304, 37600, 42880, 50384, 53600, 60160, 62980, 75200, 78725, 85760, 100768, 107200, 120320, 125960, 150400, 157450, 171520, 201536, 214400, 251920, 300800, 314900, 403072, 428800, 503840, 601600, 629800, 806144, 857600, 1007680, 1259600, 1612288, 2015360, 2519200, 4030720, 5038400, 8061440, 10076800, 20153600, 40307200]

約数ペア:

[(1, 40307200), (2, 20153600), (4, 10076800), (5, 8061440), (8, 5038400), (10, 4030720), (16, 2519200), (20, 2015360), (25, 1612288), (32, 1259600), (40, 1007680), (47, 857600), (50, 806144), (64, 629800), (67, 601600), (80, 503840), (94, 428800), (100, 403072), (128, 314900), (134, 300800), (160, 251920), (188, 214400), (200, 201536), (235, 171520), (256, 157450), (268, 150400), (320, 125960), (335, 120320), (376, 107200), (400, 100768), (470, 85760), (512, 78725), (536, 75200), (640, 62980), (670, 60160), (752, 53600), (800, 50384), (940, 42880), (1072, 37600), (1175, 34304), (1280, 31490), (1340, 30080), (1504, 26800), (1600, 25192), (1675, 24064), (1880, 21440), (2144, 18800), (2350, 17152), (2560, 15745), (2680, 15040), (3008, 13400), (3149, 12800), (3200, 12596), (3350, 12032), (3760, 10720), (4288, 9400), (4700, 8576), (5360, 7520), (6016, 6700), (6298, 6400)]