25431582020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2274739}}^1$

素因数の和:2274804

約数の個数: 48

約数和(自身を含む): 58852073280

約数和(自身を除く): 33420491260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 2274739, 4549478, 9098956, 11373695, 22747390, 29571607, 45494780, 59143214, 97813777, 118286428, 147858035, 195627554, 295716070, 391255108, 489068885, 591432140, 978137770, 1271579101, 1956275540, 2543158202, 5086316404, 6357895505, 12715791010, 25431582020]

約数ペア:

[(1, 25431582020), (2, 12715791010), (4, 6357895505), (5, 5086316404), (10, 2543158202), (13, 1956275540), (20, 1271579101), (26, 978137770), (43, 591432140), (52, 489068885), (65, 391255108), (86, 295716070), (130, 195627554), (172, 147858035), (215, 118286428), (260, 97813777), (430, 59143214), (559, 45494780), (860, 29571607), (1118, 22747390), (2236, 11373695), (2795, 9098956), (5590, 4549478), (11180, 2274739)]