28894880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25799}}^1$

素因数の和:25821

約数の個数: 48

約数和(自身を含む): 78019200

約数和(自身を除く): 49124320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25799, 51598, 103196, 128995, 180593, 206392, 257990, 361186, 412784, 515980, 722372, 825568, 902965, 1031960, 1444744, 1805930, 2063920, 2889488, 3611860, 4127840, 5778976, 7223720, 14447440, 28894880]

約数ペア:

[(1, 28894880), (2, 14447440), (4, 7223720), (5, 5778976), (7, 4127840), (8, 3611860), (10, 2889488), (14, 2063920), (16, 1805930), (20, 1444744), (28, 1031960), (32, 902965), (35, 825568), (40, 722372), (56, 515980), (70, 412784), (80, 361186), (112, 257990), (140, 206392), (160, 180593), (224, 128995), (280, 103196), (560, 51598), (1120, 25799)]