40120682

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 70761600

約数和(自身を除く): 30640918

約数列:

[1, 2, 7, 14, 53, 106, 139, 278, 371, 389, 742, 778, 973, 1946, 2723, 5446, 7367, 14734, 20617, 41234, 51569, 54071, 103138, 108142, 144319, 288638, 378497, 756994, 2865763, 5731526, 20060341, 40120682]

約数ペア:

[(1, 40120682), (2, 20060341), (7, 5731526), (14, 2865763), (53, 756994), (106, 378497), (139, 288638), (278, 144319), (371, 108142), (389, 103138), (742, 54071), (778, 51569), (973, 41234), (1946, 20617), (2723, 14734), (5446, 7367)]