25240005

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:360

約数の個数: 80

約数和(自身を含む): 53665920

約数和(自身を除く): 28425915

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 29, 35, 45, 63, 81, 87, 105, 135, 145, 189, 203, 261, 307, 315, 405, 435, 567, 609, 783, 921, 945, 1015, 1305, 1535, 1827, 2149, 2349, 2763, 2835, 3045, 3915, 4605, 5481, 6447, 8289, 8903, 9135, 10745, 11745, 13815, 16443, 19341, 24867, 26709, 27405, 32235, 41445, 44515, 58023, 62321, 80127, 82215, 96705, 124335, 133545, 174069, 186963, 240381, 290115, 311605, 400635, 560889, 721143, 870345, 934815, 1201905, 1682667, 2804445, 3605715, 5048001, 8413335, 25240005]

約数ペア:

[(1, 25240005), (3, 8413335), (5, 5048001), (7, 3605715), (9, 2804445), (15, 1682667), (21, 1201905), (27, 934815), (29, 870345), (35, 721143), (45, 560889), (63, 400635), (81, 311605), (87, 290115), (105, 240381), (135, 186963), (145, 174069), (189, 133545), (203, 124335), (261, 96705), (307, 82215), (315, 80127), (405, 62321), (435, 58023), (567, 44515), (609, 41445), (783, 32235), (921, 27405), (945, 26709), (1015, 24867), (1305, 19341), (1535, 16443), (1827, 13815), (2149, 11745), (2349, 10745), (2763, 9135), (2835, 8903), (3045, 8289), (3915, 6447), (4605, 5481)]