16190320

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{461}}^1$

素因数の和:913

約数の個数: 40

約数和(自身を含む): 37810080

約数和(自身を除く): 21619760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 461, 878, 922, 1756, 1844, 2195, 2305, 3512, 3688, 4390, 4610, 7024, 7376, 8780, 9220, 17560, 18440, 35120, 36880, 202379, 404758, 809516, 1011895, 1619032, 2023790, 3238064, 4047580, 8095160, 16190320]

約数ペア:

[(1, 16190320), (2, 8095160), (4, 4047580), (5, 3238064), (8, 2023790), (10, 1619032), (16, 1011895), (20, 809516), (40, 404758), (80, 202379), (439, 36880), (461, 35120), (878, 18440), (922, 17560), (1756, 9220), (1844, 8780), (2195, 7376), (2305, 7024), (3512, 4610), (3688, 4390)]