80499808

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4271}}^1$

素因数の和:4331

約数の個数: 48

約数和(自身を含む): 172247040

約数和(自身を除く): 91747232

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1178, 2356, 4271, 4712, 8542, 9424, 17084, 18848, 34168, 68336, 81149, 132401, 136672, 162298, 264802, 324596, 529604, 649192, 1059208, 1298384, 2118416, 2515619, 2596768, 4236832, 5031238, 10062476, 20124952, 40249904, 80499808]

約数ペア:

[(1, 80499808), (2, 40249904), (4, 20124952), (8, 10062476), (16, 5031238), (19, 4236832), (31, 2596768), (32, 2515619), (38, 2118416), (62, 1298384), (76, 1059208), (124, 649192), (152, 529604), (248, 324596), (304, 264802), (496, 162298), (589, 136672), (608, 132401), (992, 81149), (1178, 68336), (2356, 34168), (4271, 18848), (4712, 17084), (8542, 9424)]