40668064

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 82978560

約数和(自身を除く): 42310496

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 139, 164, 223, 278, 328, 446, 556, 656, 892, 1112, 1312, 1784, 2224, 3568, 4448, 5699, 7136, 9143, 11398, 18286, 22796, 30997, 36572, 45592, 61994, 73144, 91184, 123988, 146288, 182368, 247976, 292576, 495952, 991904, 1270877, 2541754, 5083508, 10167016, 20334032, 40668064]

約数ペア:

[(1, 40668064), (2, 20334032), (4, 10167016), (8, 5083508), (16, 2541754), (32, 1270877), (41, 991904), (82, 495952), (139, 292576), (164, 247976), (223, 182368), (278, 146288), (328, 123988), (446, 91184), (556, 73144), (656, 61994), (892, 45592), (1112, 36572), (1312, 30997), (1784, 22796), (2224, 18286), (3568, 11398), (4448, 9143), (5699, 7136)]