42657520

素因数分解:

$2^4\times 5^1\times {\mathrm{533219}}^1$

素因数の和:533232

約数の個数: 20

約数和(自身を含む): 99178920

約数和(自身を除く): 56521400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 533219, 1066438, 2132876, 2666095, 4265752, 5332190, 8531504, 10664380, 21328760, 42657520]

約数ペア:

[(1, 42657520), (2, 21328760), (4, 10664380), (5, 8531504), (8, 5332190), (10, 4265752), (16, 2666095), (20, 2132876), (40, 1066438), (80, 533219)]