197301680

素因数分解:

$2^4\times 5^1\times {\mathrm{2466271}}^1$

素因数の和:2466284

約数の個数: 20

約数和(自身を含む): 458726592

約数和(自身を除く): 261424912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2466271, 4932542, 9865084, 12331355, 19730168, 24662710, 39460336, 49325420, 98650840, 197301680]

約数ペア:

[(1, 197301680), (2, 98650840), (4, 49325420), (5, 39460336), (8, 24662710), (10, 19730168), (16, 12331355), (20, 9865084), (40, 4932542), (80, 2466271)]