179905520

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{21017}}^1$

素因数の和:21137

約数の個数: 40

約数和(自身を含む): 422209584

約数和(自身を除く): 242304064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 21017, 42034, 84068, 105085, 168136, 210170, 336272, 420340, 840680, 1681360, 2248819, 4497638, 8995276, 11244095, 17990552, 22488190, 35981104, 44976380, 89952760, 179905520]

約数ペア:

[(1, 179905520), (2, 89952760), (4, 44976380), (5, 35981104), (8, 22488190), (10, 17990552), (16, 11244095), (20, 8995276), (40, 4497638), (80, 2248819), (107, 1681360), (214, 840680), (428, 420340), (535, 336272), (856, 210170), (1070, 168136), (1712, 105085), (2140, 84068), (4280, 42034), (8560, 21017)]