25687168

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 56548800

約数和(自身を除く): 30861632

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 344, 359, 416, 559, 688, 718, 832, 1118, 1376, 1436, 1664, 2236, 2752, 2872, 4472, 4667, 5504, 5744, 8944, 9334, 11488, 15437, 17888, 18668, 22976, 30874, 35776, 37336, 45952, 61748, 71552, 74672, 123496, 149344, 200681, 246992, 298688, 401362, 493984, 597376, 802724, 987968, 1605448, 1975936, 3210896, 6421792, 12843584, 25687168]

約数ペア:

[(1, 25687168), (2, 12843584), (4, 6421792), (8, 3210896), (13, 1975936), (16, 1605448), (26, 987968), (32, 802724), (43, 597376), (52, 493984), (64, 401362), (86, 298688), (104, 246992), (128, 200681), (172, 149344), (208, 123496), (344, 74672), (359, 71552), (416, 61748), (559, 45952), (688, 37336), (718, 35776), (832, 30874), (1118, 22976), (1376, 18668), (1436, 17888), (1664, 15437), (2236, 11488), (2752, 9334), (2872, 8944), (4472, 5744), (4667, 5504)]