27322880

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:857

約数の個数: 80

約数和(自身を含む): 70636104

約数和(自身を除く): 43313224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 821, 832, 1040, 1280, 1642, 1664, 2080, 2560, 3284, 3328, 4105, 4160, 6568, 6656, 8210, 8320, 10673, 13136, 16420, 16640, 21346, 26272, 32840, 33280, 42692, 52544, 53365, 65680, 85384, 105088, 106730, 131360, 170768, 210176, 213460, 262720, 341536, 420352, 426920, 525440, 683072, 853840, 1050880, 1366144, 1707680, 2101760, 2732288, 3415360, 5464576, 6830720, 13661440, 27322880]

約数ペア:

[(1, 27322880), (2, 13661440), (4, 6830720), (5, 5464576), (8, 3415360), (10, 2732288), (13, 2101760), (16, 1707680), (20, 1366144), (26, 1050880), (32, 853840), (40, 683072), (52, 525440), (64, 426920), (65, 420352), (80, 341536), (104, 262720), (128, 213460), (130, 210176), (160, 170768), (208, 131360), (256, 106730), (260, 105088), (320, 85384), (416, 65680), (512, 53365), (520, 52544), (640, 42692), (821, 33280), (832, 32840), (1040, 26272), (1280, 21346), (1642, 16640), (1664, 16420), (2080, 13136), (2560, 10673), (3284, 8320), (3328, 8210), (4105, 6656), (4160, 6568)]