28528640

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{199}}^1$

素因数の和:235

約数の個数: 104

約数和(自身を含む): 78633600

約数和(自身を除く): 50104960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 199, 224, 256, 280, 320, 398, 448, 512, 560, 640, 796, 896, 995, 1024, 1120, 1280, 1393, 1592, 1792, 1990, 2048, 2240, 2560, 2786, 3184, 3584, 3980, 4096, 4480, 5120, 5572, 6368, 6965, 7168, 7960, 8960, 10240, 11144, 12736, 13930, 14336, 15920, 17920, 20480, 22288, 25472, 27860, 28672, 31840, 35840, 44576, 50944, 55720, 63680, 71680, 89152, 101888, 111440, 127360, 143360, 178304, 203776, 222880, 254720, 356608, 407552, 445760, 509440, 713216, 815104, 891520, 1018880, 1426432, 1783040, 2037760, 2852864, 3566080, 4075520, 5705728, 7132160, 14264320, 28528640]

約数ペア:

[(1, 28528640), (2, 14264320), (4, 7132160), (5, 5705728), (7, 4075520), (8, 3566080), (10, 2852864), (14, 2037760), (16, 1783040), (20, 1426432), (28, 1018880), (32, 891520), (35, 815104), (40, 713216), (56, 509440), (64, 445760), (70, 407552), (80, 356608), (112, 254720), (128, 222880), (140, 203776), (160, 178304), (199, 143360), (224, 127360), (256, 111440), (280, 101888), (320, 89152), (398, 71680), (448, 63680), (512, 55720), (560, 50944), (640, 44576), (796, 35840), (896, 31840), (995, 28672), (1024, 27860), (1120, 25472), (1280, 22288), (1393, 20480), (1592, 17920), (1792, 15920), (1990, 14336), (2048, 13930), (2240, 12736), (2560, 11144), (2786, 10240), (3184, 8960), (3584, 7960), (3980, 7168), (4096, 6965), (4480, 6368), (5120, 5572)]