25390004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{761}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 46939200

約数和(自身を除く): 21549196

約数列:

[1, 2, 4, 19, 38, 76, 439, 761, 878, 1522, 1756, 3044, 8341, 14459, 16682, 28918, 33364, 57836, 334079, 668158, 1336316, 6347501, 12695002, 25390004]

約数ペア:

[(1, 25390004), (2, 12695002), (4, 6347501), (19, 1336316), (38, 668158), (76, 334079), (439, 57836), (761, 33364), (878, 28918), (1522, 16682), (1756, 14459), (3044, 8341)]