28920640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{12911}}^1$

素因数の和:12935

約数の個数: 56

約数和(自身を含む): 78711552

約数和(自身を除く): 49790912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 12911, 25822, 51644, 64555, 90377, 103288, 129110, 180754, 206576, 258220, 361508, 413152, 451885, 516440, 723016, 826304, 903770, 1032880, 1446032, 1807540, 2065760, 2892064, 3615080, 4131520, 5784128, 7230160, 14460320, 28920640]

約数ペア:

[(1, 28920640), (2, 14460320), (4, 7230160), (5, 5784128), (7, 4131520), (8, 3615080), (10, 2892064), (14, 2065760), (16, 1807540), (20, 1446032), (28, 1032880), (32, 903770), (35, 826304), (40, 723016), (56, 516440), (64, 451885), (70, 413152), (80, 361508), (112, 258220), (140, 206576), (160, 180754), (224, 129110), (280, 103288), (320, 90377), (448, 64555), (560, 51644), (1120, 25822), (2240, 12911)]