25781728

素因数分解:

$2^5\times 7^1\times {\mathrm{179}}^1\times {\mathrm{643}}^1$

素因数の和:839

約数の個数: 48

約数和(自身を含む): 58423680

約数和(自身を除く): 32641952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 179, 224, 358, 643, 716, 1253, 1286, 1432, 2506, 2572, 2864, 4501, 5012, 5144, 5728, 9002, 10024, 10288, 18004, 20048, 20576, 36008, 40096, 72016, 115097, 144032, 230194, 460388, 805679, 920776, 1611358, 1841552, 3222716, 3683104, 6445432, 12890864, 25781728]

約数ペア:

[(1, 25781728), (2, 12890864), (4, 6445432), (7, 3683104), (8, 3222716), (14, 1841552), (16, 1611358), (28, 920776), (32, 805679), (56, 460388), (112, 230194), (179, 144032), (224, 115097), (358, 72016), (643, 40096), (716, 36008), (1253, 20576), (1286, 20048), (1432, 18004), (2506, 10288), (2572, 10024), (2864, 9002), (4501, 5728), (5012, 5144)]