16156520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7621}}^1$

素因数の和:7685

約数の個数: 32

約数和(自身を含む): 37042920

約数和(自身を除く): 20886400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 7621, 15242, 30484, 38105, 60968, 76210, 152420, 304840, 403913, 807826, 1615652, 2019565, 3231304, 4039130, 8078260, 16156520]

約数ペア:

[(1, 16156520), (2, 8078260), (4, 4039130), (5, 3231304), (8, 2019565), (10, 1615652), (20, 807826), (40, 403913), (53, 304840), (106, 152420), (212, 76210), (265, 60968), (424, 38105), (530, 30484), (1060, 15242), (2120, 7621)]