199365560

素因数分解:

$2^3\times 5^1\times {\mathrm{4984139}}^1$

素因数の和:4984150

約数の個数: 16

約数和(自身を含む): 448572600

約数和(自身を除く): 249207040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4984139, 9968278, 19936556, 24920695, 39873112, 49841390, 99682780, 199365560]

約数ペア:

[(1, 199365560), (2, 99682780), (4, 49841390), (5, 39873112), (8, 24920695), (10, 19936556), (20, 9968278), (40, 4984139)]