28703960

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{4297}}^1$

素因数の和:4475

約数の個数: 32

約数和(自身を含む): 64985760

約数和(自身を除く): 36281800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 4297, 6680, 8594, 17188, 21485, 34376, 42970, 85940, 171880, 717599, 1435198, 2870396, 3587995, 5740792, 7175990, 14351980, 28703960]

約数ペア:

[(1, 28703960), (2, 14351980), (4, 7175990), (5, 5740792), (8, 3587995), (10, 2870396), (20, 1435198), (40, 717599), (167, 171880), (334, 85940), (668, 42970), (835, 34376), (1336, 21485), (1670, 17188), (3340, 8594), (4297, 6680)]