38948080

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1109}}^1$

素因数の和:1561

約数の個数: 40

約数和(自身を含む): 90842400

約数和(自身を除く): 51894320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 878, 1109, 1756, 2195, 2218, 3512, 4390, 4436, 5545, 7024, 8780, 8872, 11090, 17560, 17744, 22180, 35120, 44360, 88720, 486851, 973702, 1947404, 2434255, 3894808, 4868510, 7789616, 9737020, 19474040, 38948080]

約数ペア:

[(1, 38948080), (2, 19474040), (4, 9737020), (5, 7789616), (8, 4868510), (10, 3894808), (16, 2434255), (20, 1947404), (40, 973702), (80, 486851), (439, 88720), (878, 44360), (1109, 35120), (1756, 22180), (2195, 17744), (2218, 17560), (3512, 11090), (4390, 8872), (4436, 8780), (5545, 7024)]