25780580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1721}}^1$

素因数の和:1844

約数の個数: 48

約数和(自身を含む): 62487936

約数和(自身を除く): 36707356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 1721, 2140, 2996, 3442, 3745, 6884, 7490, 8605, 12047, 14980, 17210, 24094, 34420, 48188, 60235, 120470, 184147, 240940, 368294, 736588, 920735, 1289029, 1841470, 2578058, 3682940, 5156116, 6445145, 12890290, 25780580]

約数ペア:

[(1, 25780580), (2, 12890290), (4, 6445145), (5, 5156116), (7, 3682940), (10, 2578058), (14, 1841470), (20, 1289029), (28, 920735), (35, 736588), (70, 368294), (107, 240940), (140, 184147), (214, 120470), (428, 60235), (535, 48188), (749, 34420), (1070, 24094), (1498, 17210), (1721, 14980), (2140, 12047), (2996, 8605), (3442, 7490), (3745, 6884)]