38421280

素因数分解:

$2^5\times 5^1\times {\mathrm{439}}^1\times {\mathrm{547}}^1$

素因数の和:1001

約数の個数: 48

約数和(自身を含む): 91143360

約数和(自身を除く): 52722080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 439, 547, 878, 1094, 1756, 2188, 2195, 2735, 3512, 4376, 4390, 5470, 7024, 8752, 8780, 10940, 14048, 17504, 17560, 21880, 35120, 43760, 70240, 87520, 240133, 480266, 960532, 1200665, 1921064, 2401330, 3842128, 4802660, 7684256, 9605320, 19210640, 38421280]

約数ペア:

[(1, 38421280), (2, 19210640), (4, 9605320), (5, 7684256), (8, 4802660), (10, 3842128), (16, 2401330), (20, 1921064), (32, 1200665), (40, 960532), (80, 480266), (160, 240133), (439, 87520), (547, 70240), (878, 43760), (1094, 35120), (1756, 21880), (2188, 17560), (2195, 17504), (2735, 14048), (3512, 10940), (4376, 8780), (4390, 8752), (5470, 7024)]