28507040

素因数分解:

$2^5\times 5^1\times {\mathrm{178169}}^1$

素因数の和:178184

約数の個数: 24

約数和(自身を含む): 67348260

約数和(自身を除く): 38841220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 178169, 356338, 712676, 890845, 1425352, 1781690, 2850704, 3563380, 5701408, 7126760, 14253520, 28507040]

約数ペア:

[(1, 28507040), (2, 14253520), (4, 7126760), (5, 5701408), (8, 3563380), (10, 2850704), (16, 1781690), (20, 1425352), (32, 890845), (40, 712676), (80, 356338), (160, 178169)]