31010120

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1433}}^1$

素因数の和:1985

約数の個数: 32

約数和(自身を含む): 69950520

約数和(自身を除く): 38940400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 1433, 2164, 2705, 2866, 4328, 5410, 5732, 7165, 10820, 11464, 14330, 21640, 28660, 57320, 775253, 1550506, 3101012, 3876265, 6202024, 7752530, 15505060, 31010120]

約数ペア:

[(1, 31010120), (2, 15505060), (4, 7752530), (5, 6202024), (8, 3876265), (10, 3101012), (20, 1550506), (40, 775253), (541, 57320), (1082, 28660), (1433, 21640), (2164, 14330), (2705, 11464), (2866, 10820), (4328, 7165), (5410, 5732)]