4075520

素因数分解:

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

素因数の和:228

約数の個数: 52

約数和(自身を含む): 9829200

約数和(自身を除く): 5753680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 199, 256, 320, 398, 512, 640, 796, 995, 1024, 1280, 1592, 1990, 2048, 2560, 3184, 3980, 4096, 5120, 6368, 7960, 10240, 12736, 15920, 20480, 25472, 31840, 50944, 63680, 101888, 127360, 203776, 254720, 407552, 509440, 815104, 1018880, 2037760, 4075520]

約数ペア:

[(1, 4075520), (2, 2037760), (4, 1018880), (5, 815104), (8, 509440), (10, 407552), (16, 254720), (20, 203776), (32, 127360), (40, 101888), (64, 63680), (80, 50944), (128, 31840), (160, 25472), (199, 20480), (256, 15920), (320, 12736), (398, 10240), (512, 7960), (640, 6368), (796, 5120), (995, 4096), (1024, 3980), (1280, 3184), (1592, 2560), (1990, 2048)]