31161320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{33871}}^1$

素因数の和:33905

約数の個数: 32

約数和(自身を含む): 73163520

約数和(自身を除く): 42002200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 33871, 67742, 135484, 169355, 270968, 338710, 677420, 779033, 1354840, 1558066, 3116132, 3895165, 6232264, 7790330, 15580660, 31161320]

約数ペア:

[(1, 31161320), (2, 15580660), (4, 7790330), (5, 6232264), (8, 3895165), (10, 3116132), (20, 1558066), (23, 1354840), (40, 779033), (46, 677420), (92, 338710), (115, 270968), (184, 169355), (230, 135484), (460, 67742), (920, 33871)]