4281880

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{641}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 9707040

約数和(自身を除く): 5425160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 641, 668, 835, 1282, 1336, 1670, 2564, 3205, 3340, 5128, 6410, 6680, 12820, 25640, 107047, 214094, 428188, 535235, 856376, 1070470, 2140940, 4281880]

約数ペア:

[(1, 4281880), (2, 2140940), (4, 1070470), (5, 856376), (8, 535235), (10, 428188), (20, 214094), (40, 107047), (167, 25640), (334, 12820), (641, 6680), (668, 6410), (835, 5128), (1282, 3340), (1336, 3205), (1670, 2564)]