17411840

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 42580608

約数和(自身を除く): 25168768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 223, 244, 256, 305, 320, 446, 488, 610, 640, 892, 976, 1115, 1220, 1280, 1784, 1952, 2230, 2440, 3568, 3904, 4460, 4880, 7136, 7808, 8920, 9760, 13603, 14272, 15616, 17840, 19520, 27206, 28544, 35680, 39040, 54412, 57088, 68015, 71360, 78080, 108824, 136030, 142720, 217648, 272060, 285440, 435296, 544120, 870592, 1088240, 1741184, 2176480, 3482368, 4352960, 8705920, 17411840]

約数ペア:

[(1, 17411840), (2, 8705920), (4, 4352960), (5, 3482368), (8, 2176480), (10, 1741184), (16, 1088240), (20, 870592), (32, 544120), (40, 435296), (61, 285440), (64, 272060), (80, 217648), (122, 142720), (128, 136030), (160, 108824), (223, 78080), (244, 71360), (256, 68015), (305, 57088), (320, 54412), (446, 39040), (488, 35680), (610, 28544), (640, 27206), (892, 19520), (976, 17840), (1115, 15616), (1220, 14272), (1280, 13603), (1784, 9760), (1952, 8920), (2230, 7808), (2440, 7136), (3568, 4880), (3904, 4460)]