25142224

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{19891}}^1$

素因数の和:19978

約数の個数: 20

約数和(自身を含む): 49332160

約数和(自身を除く): 24189936

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 19891, 39782, 79564, 159128, 318256, 1571389, 3142778, 6285556, 12571112, 25142224]

約数ペア:

[(1, 25142224), (2, 12571112), (4, 6285556), (8, 3142778), (16, 1571389), (79, 318256), (158, 159128), (316, 79564), (632, 39782), (1264, 19891)]