12854440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3313}}^1$

素因数の和:3421

約数の個数: 32

約数和(自身を含む): 29229480

約数和(自身を除く): 16375040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3313, 3880, 6626, 13252, 16565, 26504, 33130, 66260, 132520, 321361, 642722, 1285444, 1606805, 2570888, 3213610, 6427220, 12854440]

約数ペア:

[(1, 12854440), (2, 6427220), (4, 3213610), (5, 2570888), (8, 1606805), (10, 1285444), (20, 642722), (40, 321361), (97, 132520), (194, 66260), (388, 33130), (485, 26504), (776, 16565), (970, 13252), (1940, 6626), (3313, 3880)]