26078720

素因数分解:

$2^9\times 5^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:251

約数の個数: 80

約数和(自身を含む): 63933408

約数和(自身を除く): 37854688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 167, 244, 256, 305, 320, 334, 488, 512, 610, 640, 668, 835, 976, 1220, 1280, 1336, 1670, 1952, 2440, 2560, 2672, 3340, 3904, 4880, 5344, 6680, 7808, 9760, 10187, 10688, 13360, 15616, 19520, 20374, 21376, 26720, 31232, 39040, 40748, 42752, 50935, 53440, 78080, 81496, 85504, 101870, 106880, 156160, 162992, 203740, 213760, 325984, 407480, 427520, 651968, 814960, 1303936, 1629920, 2607872, 3259840, 5215744, 6519680, 13039360, 26078720]

約数ペア:

[(1, 26078720), (2, 13039360), (4, 6519680), (5, 5215744), (8, 3259840), (10, 2607872), (16, 1629920), (20, 1303936), (32, 814960), (40, 651968), (61, 427520), (64, 407480), (80, 325984), (122, 213760), (128, 203740), (160, 162992), (167, 156160), (244, 106880), (256, 101870), (305, 85504), (320, 81496), (334, 78080), (488, 53440), (512, 50935), (610, 42752), (640, 40748), (668, 39040), (835, 31232), (976, 26720), (1220, 21376), (1280, 20374), (1336, 19520), (1670, 15616), (1952, 13360), (2440, 10688), (2560, 10187), (2672, 9760), (3340, 7808), (3904, 6680), (4880, 5344)]