25546780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{727}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 61641216

約数和(自身を除く): 36094436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 727, 1004, 1255, 1454, 1757, 2510, 2908, 3514, 3635, 5020, 5089, 7028, 7270, 8785, 10178, 14540, 17570, 20356, 25445, 35140, 50890, 101780, 182477, 364954, 729908, 912385, 1277339, 1824770, 2554678, 3649540, 5109356, 6386695, 12773390, 25546780]

約数ペア:

[(1, 25546780), (2, 12773390), (4, 6386695), (5, 5109356), (7, 3649540), (10, 2554678), (14, 1824770), (20, 1277339), (28, 912385), (35, 729908), (70, 364954), (140, 182477), (251, 101780), (502, 50890), (727, 35140), (1004, 25445), (1255, 20356), (1454, 17570), (1757, 14540), (2510, 10178), (2908, 8785), (3514, 7270), (3635, 7028), (5020, 5089)]