40768840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{145603}}^1$

素因数の和:145621

約数の個数: 32

約数和(自身を含む): 104834880

約数和(自身を除く): 64066040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 145603, 291206, 582412, 728015, 1019221, 1164824, 1456030, 2038442, 2912060, 4076884, 5096105, 5824120, 8153768, 10192210, 20384420, 40768840]

約数ペア:

[(1, 40768840), (2, 20384420), (4, 10192210), (5, 8153768), (7, 5824120), (8, 5096105), (10, 4076884), (14, 2912060), (20, 2038442), (28, 1456030), (35, 1164824), (40, 1019221), (56, 728015), (70, 582412), (140, 291206), (280, 145603)]