12375680

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:397

約数の個数: 64

約数和(自身を含む): 30165480

約数和(自身を除く): 17789800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 317, 320, 488, 610, 634, 640, 976, 1220, 1268, 1585, 1952, 2440, 2536, 3170, 3904, 4880, 5072, 6340, 7808, 9760, 10144, 12680, 19337, 19520, 20288, 25360, 38674, 39040, 40576, 50720, 77348, 96685, 101440, 154696, 193370, 202880, 309392, 386740, 618784, 773480, 1237568, 1546960, 2475136, 3093920, 6187840, 12375680]

約数ペア:

[(1, 12375680), (2, 6187840), (4, 3093920), (5, 2475136), (8, 1546960), (10, 1237568), (16, 773480), (20, 618784), (32, 386740), (40, 309392), (61, 202880), (64, 193370), (80, 154696), (122, 101440), (128, 96685), (160, 77348), (244, 50720), (305, 40576), (317, 39040), (320, 38674), (488, 25360), (610, 20288), (634, 19520), (640, 19337), (976, 12680), (1220, 10144), (1268, 9760), (1585, 7808), (1952, 6340), (2440, 5072), (2536, 4880), (3170, 3904)]