200420165

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{257}}^1\times {\mathrm{1289}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 265590360

約数和(自身を除く): 65170195

約数列:

[1, 5, 11, 55, 121, 257, 605, 1285, 1289, 2827, 6445, 14135, 14179, 31097, 70895, 155485, 155969, 331273, 779845, 1656365, 3644003, 18220015, 40084033, 200420165]

約数ペア:

[(1, 200420165), (5, 40084033), (11, 18220015), (55, 3644003), (121, 1656365), (257, 779845), (605, 331273), (1285, 155969), (1289, 155485), (2827, 70895), (6445, 31097), (14135, 14179)]