8151040

素因数分解:

$2^{13}\times 5^1\times {\mathrm{199}}^1$

素因数の和:230

約数の個数: 56

約数和(自身を含む): 19659600

約数和(自身を除く): 11508560

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, 8192, 10240, 12736, 15920, 20480, 25472, 31840, 40960, 50944, 63680, 101888, 127360, 203776, 254720, 407552, 509440, 815104, 1018880, 1630208, 2037760, 4075520, 8151040]

約数ペア:

[(1, 8151040), (2, 4075520), (4, 2037760), (5, 1630208), (8, 1018880), (10, 815104), (16, 509440), (20, 407552), (32, 254720), (40, 203776), (64, 127360), (80, 101888), (128, 63680), (160, 50944), (199, 40960), (256, 31840), (320, 25472), (398, 20480), (512, 15920), (640, 12736), (796, 10240), (995, 8192), (1024, 7960), (1280, 6368), (1592, 5120), (1990, 4096), (2048, 3980), (2560, 3184)]