31580840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{34327}}^1$

素因数の和:34361

約数の個数: 32

約数和(自身を含む): 74148480

約数和(自身を除く): 42567640

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 34327, 68654, 137308, 171635, 274616, 343270, 686540, 789521, 1373080, 1579042, 3158084, 3947605, 6316168, 7895210, 15790420, 31580840]

約数ペア:

[(1, 31580840), (2, 15790420), (4, 7895210), (5, 6316168), (8, 3947605), (10, 3158084), (20, 1579042), (23, 1373080), (40, 789521), (46, 686540), (92, 343270), (115, 274616), (184, 171635), (230, 137308), (460, 68654), (920, 34327)]