25379744

素因数分解:

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

素因数の和:87

約数の個数: 72

約数和(自身を含む): 57127140

約数和(自身を除く): 31747396

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 169, 208, 247, 304, 338, 361, 416, 494, 608, 676, 722, 988, 1352, 1444, 1976, 2197, 2704, 2888, 3211, 3952, 4394, 4693, 5408, 5776, 6422, 7904, 8788, 9386, 11552, 12844, 17576, 18772, 25688, 35152, 37544, 41743, 51376, 61009, 70304, 75088, 83486, 102752, 122018, 150176, 166972, 244036, 333944, 488072, 667888, 793117, 976144, 1335776, 1586234, 1952288, 3172468, 6344936, 12689872, 25379744]

約数ペア:

[(1, 25379744), (2, 12689872), (4, 6344936), (8, 3172468), (13, 1952288), (16, 1586234), (19, 1335776), (26, 976144), (32, 793117), (38, 667888), (52, 488072), (76, 333944), (104, 244036), (152, 166972), (169, 150176), (208, 122018), (247, 102752), (304, 83486), (338, 75088), (361, 70304), (416, 61009), (494, 51376), (608, 41743), (676, 37544), (722, 35152), (988, 25688), (1352, 18772), (1444, 17576), (1976, 12844), (2197, 11552), (2704, 9386), (2888, 8788), (3211, 7904), (3952, 6422), (4394, 5776), (4693, 5408)]