28720224

素因数分解:

$2^5\times 3^3\times {\mathrm{13}}^1\times {\mathrm{2557}}^1$

素因数の和:2589

約数の個数: 96

約数和(自身を含む): 90246240

約数和(自身を除く): 61526016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 96, 104, 108, 117, 144, 156, 208, 216, 234, 288, 312, 351, 416, 432, 468, 624, 702, 864, 936, 1248, 1404, 1872, 2557, 2808, 3744, 5114, 5616, 7671, 10228, 11232, 15342, 20456, 23013, 30684, 33241, 40912, 46026, 61368, 66482, 69039, 81824, 92052, 99723, 122736, 132964, 138078, 184104, 199446, 245472, 265928, 276156, 299169, 368208, 398892, 531856, 552312, 598338, 736416, 797784, 897507, 1063712, 1104624, 1196676, 1595568, 1795014, 2209248, 2393352, 3191136, 3590028, 4786704, 7180056, 9573408, 14360112, 28720224]

約数ペア:

[(1, 28720224), (2, 14360112), (3, 9573408), (4, 7180056), (6, 4786704), (8, 3590028), (9, 3191136), (12, 2393352), (13, 2209248), (16, 1795014), (18, 1595568), (24, 1196676), (26, 1104624), (27, 1063712), (32, 897507), (36, 797784), (39, 736416), (48, 598338), (52, 552312), (54, 531856), (72, 398892), (78, 368208), (96, 299169), (104, 276156), (108, 265928), (117, 245472), (144, 199446), (156, 184104), (208, 138078), (216, 132964), (234, 122736), (288, 99723), (312, 92052), (351, 81824), (416, 69039), (432, 66482), (468, 61368), (624, 46026), (702, 40912), (864, 33241), (936, 30684), (1248, 23013), (1404, 20456), (1872, 15342), (2557, 11232), (2808, 10228), (3744, 7671), (5114, 5616)]