1038864080

素因数分解:

$2^4\times 5^1\times {\mathrm{12985801}}^1$

素因数の和:12985814

約数の個数: 20

約数和(自身を含む): 2415359172

約数和(自身を除く): 1376495092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12985801, 25971602, 51943204, 64929005, 103886408, 129858010, 207772816, 259716020, 519432040, 1038864080]

約数ペア:

[(1, 1038864080), (2, 519432040), (4, 259716020), (5, 207772816), (8, 129858010), (10, 103886408), (16, 64929005), (20, 51943204), (40, 25971602), (80, 12985801)]