25724270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17989}}^1$

素因数の和:18020

約数の個数: 32

約数和(自身を含む): 54401760

約数和(自身を除く): 28677490

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 17989, 35978, 89945, 179890, 197879, 233857, 395758, 467714, 989395, 1169285, 1978790, 2338570, 2572427, 5144854, 12862135, 25724270]

約数ペア:

[(1, 25724270), (2, 12862135), (5, 5144854), (10, 2572427), (11, 2338570), (13, 1978790), (22, 1169285), (26, 989395), (55, 467714), (65, 395758), (110, 233857), (130, 197879), (143, 179890), (286, 89945), (715, 35978), (1430, 17989)]