78368080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139943}}^1$

素因数の和:139963

約数の個数: 40

約数和(自身を含む): 208236672

約数和(自身を除く): 129868592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 139943, 279886, 559772, 699715, 979601, 1119544, 1399430, 1959202, 2239088, 2798860, 3918404, 4898005, 5597720, 7836808, 9796010, 11195440, 15673616, 19592020, 39184040, 78368080]

約数ペア:

[(1, 78368080), (2, 39184040), (4, 19592020), (5, 15673616), (7, 11195440), (8, 9796010), (10, 7836808), (14, 5597720), (16, 4898005), (20, 3918404), (28, 2798860), (35, 2239088), (40, 1959202), (56, 1399430), (70, 1119544), (80, 979601), (112, 699715), (140, 559772), (280, 279886), (560, 139943)]