13039360

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 31935456

約数和(自身を除く): 18896096

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, 610, 640, 668, 835, 976, 1220, 1280, 1336, 1670, 1952, 2440, 2672, 3340, 3904, 4880, 5344, 6680, 7808, 9760, 10187, 10688, 13360, 15616, 19520, 20374, 21376, 26720, 39040, 40748, 42752, 50935, 53440, 78080, 81496, 101870, 106880, 162992, 203740, 213760, 325984, 407480, 651968, 814960, 1303936, 1629920, 2607872, 3259840, 6519680, 13039360]

約数ペア:

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