28533440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^3$

素因数の和:87

約数の個数: 112

約数和(自身を含む): 77236320

約数和(自身を除く): 48702880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 361, 380, 416, 494, 520, 608, 722, 760, 832, 988, 1040, 1216, 1235, 1444, 1520, 1805, 1976, 2080, 2470, 2888, 3040, 3610, 3952, 4160, 4693, 4940, 5776, 6080, 6859, 7220, 7904, 9386, 9880, 11552, 13718, 14440, 15808, 18772, 19760, 23104, 23465, 27436, 28880, 34295, 37544, 39520, 46930, 54872, 57760, 68590, 75088, 79040, 89167, 93860, 109744, 115520, 137180, 150176, 178334, 187720, 219488, 274360, 300352, 356668, 375440, 438976, 445835, 548720, 713336, 750880, 891670, 1097440, 1426672, 1501760, 1783340, 2194880, 2853344, 3566680, 5706688, 7133360, 14266720, 28533440]

約数ペア:

[(1, 28533440), (2, 14266720), (4, 7133360), (5, 5706688), (8, 3566680), (10, 2853344), (13, 2194880), (16, 1783340), (19, 1501760), (20, 1426672), (26, 1097440), (32, 891670), (38, 750880), (40, 713336), (52, 548720), (64, 445835), (65, 438976), (76, 375440), (80, 356668), (95, 300352), (104, 274360), (130, 219488), (152, 187720), (160, 178334), (190, 150176), (208, 137180), (247, 115520), (260, 109744), (304, 93860), (320, 89167), (361, 79040), (380, 75088), (416, 68590), (494, 57760), (520, 54872), (608, 46930), (722, 39520), (760, 37544), (832, 34295), (988, 28880), (1040, 27436), (1216, 23465), (1235, 23104), (1444, 19760), (1520, 18772), (1805, 15808), (1976, 14440), (2080, 13718), (2470, 11552), (2888, 9880), (3040, 9386), (3610, 7904), (3952, 7220), (4160, 6859), (4693, 6080), (4940, 5776)]