28948640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25847}}^1$

素因数の和:25869

約数の個数: 48

約数和(自身を含む): 78164352

約数和(自身を除く): 49215712

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, 25847, 51694, 103388, 129235, 180929, 206776, 258470, 361858, 413552, 516940, 723716, 827104, 904645, 1033880, 1447432, 1809290, 2067760, 2894864, 3618580, 4135520, 5789728, 7237160, 14474320, 28948640]

約数ペア:

[(1, 28948640), (2, 14474320), (4, 7237160), (5, 5789728), (7, 4135520), (8, 3618580), (10, 2894864), (14, 2067760), (16, 1809290), (20, 1447432), (28, 1033880), (32, 904645), (35, 827104), (40, 723716), (56, 516940), (70, 413552), (80, 361858), (112, 258470), (140, 206776), (160, 180929), (224, 129235), (280, 103388), (560, 51694), (1120, 25847)]