42745720

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3803}}^1$

素因数の和:4095

約数の個数: 32

約数和(自身を含む): 96545520

約数和(自身を除く): 53799800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 3803, 5620, 7606, 11240, 15212, 19015, 30424, 38030, 76060, 152120, 1068643, 2137286, 4274572, 5343215, 8549144, 10686430, 21372860, 42745720]

約数ペア:

[(1, 42745720), (2, 21372860), (4, 10686430), (5, 8549144), (8, 5343215), (10, 4274572), (20, 2137286), (40, 1068643), (281, 152120), (562, 76060), (1124, 38030), (1405, 30424), (2248, 19015), (2810, 15212), (3803, 11240), (5620, 7606)]