28841960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103007}}^1$

素因数の和:103025

約数の個数: 32

約数和(自身を含む): 74165760

約数和(自身を除く): 45323800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 103007, 206014, 412028, 515035, 721049, 824056, 1030070, 1442098, 2060140, 2884196, 3605245, 4120280, 5768392, 7210490, 14420980, 28841960]

約数ペア:

[(1, 28841960), (2, 14420980), (4, 7210490), (5, 5768392), (7, 4120280), (8, 3605245), (10, 2884196), (14, 2060140), (20, 1442098), (28, 1030070), (35, 824056), (40, 721049), (56, 515035), (70, 412028), (140, 206014), (280, 103007)]