13507840

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 33076008

約数和(自身を除く): 19568168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 173, 244, 256, 305, 320, 346, 488, 610, 640, 692, 865, 976, 1220, 1280, 1384, 1730, 1952, 2440, 2768, 3460, 3904, 4880, 5536, 6920, 7808, 9760, 10553, 11072, 13840, 15616, 19520, 21106, 22144, 27680, 39040, 42212, 44288, 52765, 55360, 78080, 84424, 105530, 110720, 168848, 211060, 221440, 337696, 422120, 675392, 844240, 1350784, 1688480, 2701568, 3376960, 6753920, 13507840]

約数ペア:

[(1, 13507840), (2, 6753920), (4, 3376960), (5, 2701568), (8, 1688480), (10, 1350784), (16, 844240), (20, 675392), (32, 422120), (40, 337696), (61, 221440), (64, 211060), (80, 168848), (122, 110720), (128, 105530), (160, 84424), (173, 78080), (244, 55360), (256, 52765), (305, 44288), (320, 42212), (346, 39040), (488, 27680), (610, 22144), (640, 21106), (692, 19520), (865, 15616), (976, 13840), (1220, 11072), (1280, 10553), (1384, 9760), (1730, 7808), (1952, 6920), (2440, 5536), (2768, 4880), (3460, 3904)]