25780976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 59621184

約数和(自身を除く): 33840208

約数列:

[1, 2, 4, 8, 13, 16, 17, 23, 26, 34, 46, 52, 68, 92, 104, 136, 184, 208, 221, 272, 299, 317, 368, 391, 442, 598, 634, 782, 884, 1196, 1268, 1564, 1768, 2392, 2536, 3128, 3536, 4121, 4784, 5072, 5083, 5389, 6256, 7291, 8242, 10166, 10778, 14582, 16484, 20332, 21556, 29164, 32968, 40664, 43112, 58328, 65936, 70057, 81328, 86224, 94783, 116656, 123947, 140114, 189566, 247894, 280228, 379132, 495788, 560456, 758264, 991576, 1120912, 1516528, 1611311, 1983152, 3222622, 6445244, 12890488, 25780976]

約数ペア:

[(1, 25780976), (2, 12890488), (4, 6445244), (8, 3222622), (13, 1983152), (16, 1611311), (17, 1516528), (23, 1120912), (26, 991576), (34, 758264), (46, 560456), (52, 495788), (68, 379132), (92, 280228), (104, 247894), (136, 189566), (184, 140114), (208, 123947), (221, 116656), (272, 94783), (299, 86224), (317, 81328), (368, 70057), (391, 65936), (442, 58328), (598, 43112), (634, 40664), (782, 32968), (884, 29164), (1196, 21556), (1268, 20332), (1564, 16484), (1768, 14582), (2392, 10778), (2536, 10166), (3128, 8242), (3536, 7291), (4121, 6256), (4784, 5389), (5072, 5083)]