201561040

素因数分解:

$2^4\times 5^1\times {\mathrm{743}}^1\times {\mathrm{3391}}^1$

素因数の和:4147

約数の個数: 40

約数和(自身を含む): 469398528

約数和(自身を除く): 267837488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 743, 1486, 2972, 3391, 3715, 5944, 6782, 7430, 11888, 13564, 14860, 16955, 27128, 29720, 33910, 54256, 59440, 67820, 135640, 271280, 2519513, 5039026, 10078052, 12597565, 20156104, 25195130, 40312208, 50390260, 100780520, 201561040]

約数ペア:

[(1, 201561040), (2, 100780520), (4, 50390260), (5, 40312208), (8, 25195130), (10, 20156104), (16, 12597565), (20, 10078052), (40, 5039026), (80, 2519513), (743, 271280), (1486, 135640), (2972, 67820), (3391, 59440), (3715, 54256), (5944, 33910), (6782, 29720), (7430, 27128), (11888, 16955), (13564, 14860)]